Decide whether the following is an expression or an equation. Simplify any expression or solve any equation.4(x + 7) - 5(x - 2) = 0
A. Equation; {18}
B. Expression; 4x + 5
C. Expression; 4x - 2
D. Equation; {38}
Answer: D
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Solve the problem.The acceleration of gravity near the surface of Mars is 3.72 m/sec2. If a rock is blasted straight up from the surface with an initial velocity of 
(about 
how high does it go? (Hint: When is velocity zero?)
A. Approximately 971.1 meters B. Approximately 1942.25 meters C. Approximately 170 meters D. Approximately 22.85 meters
Add in the indicated base.10112 + 1102
A. 11,0002 B. 11,0012 C. 10,0012 D. 11112
Solve the problem.A building 180 feet tall casts a 80 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person's eyes are level with the top of the building.)
A. 64° B. 66° C. 26° D. 24°
For the quadratic function, find the maximum or minimum function value.f(x) = -3x2 + 30x - 74
A. Maximum: 5 B. Maximum: -5 C. Maximum: 1 D. Maximum: -1