Which of the following describes the correct process for solving the equation 3x+6=21

Combine like terms. 3.9x1.6y+7.1x-0.5y

What is the slope of y=-6/5x-3

What is the sum of the measures of the angles in any hexagon?

Sydney bikes 32 miles in 2 hours and 64 miles in 4 hours. He bikes at a constant rate. Which function gives the distance d that he travels in t hours? A. d = 64 t B. d = 32 t C. d = 16 t D. d = 8 t

Understanding Addition with Negative Integers Between the time Iko woke up and lunchtime, the temperature rose by 11°.

Matthew's small fish tank holds 12 liters. His large fish tank holds 25 liters. How many more liters does his large fish tank hold?

For a function f (x), hypothesize what would happen to the graph if multiple k-values were introduced into the function notation as shown. Write your predictions for both equations. f (k1x) + k2 k1f (x + k2).

The side length of a square is (6x-1) inches Write a linear expression in simplest form to represent the perimeter of the square. Find the perimeter of x equals 3

What is the difference in 3 2/8 and 1 3/8

10 more than the quotient of a number and 8 is at least 12