Let x represent the number. Write the English phrase as an algebraic expression.Six times a number, decreased by 57.
A. 6x + 57
B. 6(x - 57)
C. 6x - 57
D. 6(x + 57)
Answer: C
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Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 3.2, v(0) = -18, s(0) = 6
A. s = 1.6t2 - 18t B. s = -1.6t2 + 18t + 6 C. s = 3.2t2 - 18t + 6 D. s = 1.6t2 - 18t + 6
Solve.A brick wall 16 m by 34 m is 0.52 m thick. Under particular temperature conditions, the rate of heat flow through the wall, in calories per second is given by the expression 
. Calculate the value of this quantity to the nearest tenth.
A. 16.2 calories per second B. 6.8 calories per second C. 4.8 calories per second D. 17.8 calories per second
Divide, if possible. Assume any variable in the denominator is nonzero.
A. 10 B. Undefined C. 1 D. 0
If the total surface area of a right circular cone is 
square feet and a radius of the base is 9 feet long, find the slant height of the cone.
?
A.
feet
B.
feet
C.
feet
D.
feet
E.
none of these