Write the following as an equation, using x for the unknown number. Then solve.Three-fourths of a number is 
. Find the number in lowest terms.
A. 
x = 
; 
B. 
+ x = 
; 
C. 
x = 
; 
D. 
x = 
; 
Answer: D
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Graph the polar equation for ? in [0°, 360°).r = 5 sin 2?
A. 
B. 
C. 
D. 
Find the perimeter of the figure.
A. 16 mi B. 11 mi C. 22 mi D. 6 mi
Evaluate the function for the given values of a and b. Then use the intermediate value theorem to determine which of the statements below is true.a = 1 and b = 2f(x) = -10x4 + 8x3 + 7x + 9
A. f(1 ) and f(2) have the same sign, therefore the intermediate value theorem cannot be used to determine whether f has a real zero between 1 and 2. B. f(1 ) and f(2) have opposite signs, therefore f does not have a real zero between 1 and 2. C. f(1 ) and f(2) have opposite signs, therefore f has a real zero between 1 and 2. D. f(1 ) and f(2) have the same sign, therefore f does not have a real zero between 1 and 2.
Find the mean.The six Cane brothers spent $41.95, $84.32, $81.13, $82.11, $54.77, and $86.38 on groceries. Find the mean grocery bill.
A. $71.78 B. $107.67 C. $74.13 D. $86.13