Which of the following is the same as 8.4 × 102 ?
a. 840
b. 84
c. 8,400
d. 84

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

What value of x is in the solution set of 4x – 12 s 16 + 8x?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.