Perform the indicated operations.-9(9 - 44) ÷ (-63)
A. -7
B. 5
C. 7
D. -5
Answer: D
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Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 
?
B. 
?
C. 2?
D. 
?
Use a formula to solve the problem.Find the area of a triangle with height 17 m and base 19 m.
A. 646 m2 B. 18 m2 C. 161.5 m2 D. 323 m2
Identify as an equation or an expression.
- 
+ 5
A. Equation B. Expression
Solve the problem.As the relative humidity increases, the temperature seems higher than it is. The formula T = 0.117x + 87.16 approximates the apparent temperature for an actual temperature of 
where x is the relative humidity. What is the apparent temperature (to the nearest degree) for a relative humidity of 100%?
A. 187°F B. 1020°F C. 99°F D. 87°F