Solve the formula for the stated variable.d = rt; solve for r
A. r = 
B. r = 
C. r = dt
D. r = d - t
Answer: A
Mathematics
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Evaluate the function 
at the value of 
Round your result to three
a. –1.386 b. 2.079 c. –2.079 d. 1.386
Mathematics
Solve the problem.The cost of stainless steel tubing varies jointly as the length and the diameter of the tubing. If a 
length with diameter 2 inches costs $48.00 , how much will a 
length with diameter 
cost?
A. $547.20 B. $544.80 C. $552.50 D. $552.77
Mathematics
Express the sum using summation notation.
+ 
+ 
+ ... + 
A. 
B. 
C. 
D. 
Mathematics
Completely factor the polynomial.10x3y - 2x2y2 + 30x2y - 6xy2
A. 2x(5x - y)(x + 3y) B. 2xy(5x - y)(x + 3) C. 2xy(5x - 3)(x + y) D. 2xy(5 - y)(x2 + 3)
Mathematics