Express the statement as an equation involving the indicated variables.The volume V of a sphere is 
times ? times the cube of the radius r.
A. V = 
? 
B. V = 
?r
C. V = 
?r2
D. V = 
?r3
Answer: D
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Find the solution by graphing the system of equations.A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 6 slices of pizza and 5 soft drinks for $27.52. The second group bought 5 slices of pizza and 4 soft drinks for $22.64. We can represent this situation with the system of equations 6p + 5s = 27.52 5p + 4s = 22.64where p is the cost of a slice of pizza and s is the cost of a soft drink. Determine the cost of one slice of pizza.
A. $2.26 per slice of pizza B. $3.12 per slice of pizza C. $1.76 per slice of pizza D. $2.62 per slice of pizza
Use the choices below to fill in the blank. Choices may be used more than once or not at all.
An example of weighted mean is a calculation of 
.
A. sample standard deviation B. range C. grade point average D. dispersion
Solve the problem.Find the Celsius temperature (to the nearest degree) when Fahrenheit temperature is 95° by solving the equation 95 = 
C + 32, where F is the Fahrenheit temperature (in degrees) and C is the Celsius temperature.
A. 49° B. 177° C. 35° D. 203°
Approximate to the nearest thousandth, using a calculator.- 
A. -3.606 B. -3.611 C. -13.000 D. -3.603