2025 Actual Exam from Credible Source with
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10 people can paint a building in 5 days. If each person paints as quickly as the others
then how much of the building could 7 people paint in 5 days? - CORRECT ANSWER:
10 people can paint a building in 5 days. Each person paints 1/10 of the building in 5
days. In 5 days 7 people would paint 7 × 1/10 of the building In 5 days 7 people would
paint 7/10 of the building.
A ball was kicked into the air from a balcony 20 feet above the ground, and the ball's
height above the ground, in feet, t seconds after the ball was kicked was h(t) = 20 −
16t2 + 32t. What was the maximum height, in feet, of the ball above the ground after it
was kicked? - CORRECT ANSWER: h(t) = 20-16t^2 + 32t
h(t) = -16t^2 +32+20
x= -b /2a = -(32)/2(-16) = -32/-32 = 1
Plug one in the original equation.
h(1) = -16(1)^2 +32+20
= -16+32+20
The answer is 36 ft
An isosceles triangle has two equal sides. If two of the sides are 5 inches and 2 inches
how long is the perimeter? - CORRECT ANSWER: The other side must be 5 inches
otherwise the two shorter sides could not meet. The perimeter is the distance around
the outside of the triangle and is 5 + 5 + 2 = 12.
Bill's new porch is rectangular, with an area of 50 square feet. If the length of the porch
is two times the width, what is the perimeter of the porch? - CORRECT ANSWER: The
formula for the area of a rectangle:
, A = Width * Length
From the question we know that L = 2W and that A = 50. So we can plug these values
into our equation and solve for W:
50 = W * L
50 = W * 2W
50 = 2W²
W² = 25
W=5
We know that L = 2W, so L = 10
Perimeter = 2L + 2W
Perimeter = 2 * 10 + 2 * 5
Perimeter = 30
Diego's current age is five times Martina's age ten years ago. If Martina is currently m
years old, what is Diego's current age in terms of m? - CORRECT ANSWER: Martina's
age ten years ago is:
m − 10
So Diego's age is:
5(m − 10)
= 5m − 50
In the xy-plane, what is the y-intercept of the graph of the equation
y = 2(x + 3)(x − 4)? - CORRECT ANSWER: