How could you use the Commutative Property of Addition to rewrite the expression - 21 + 7?

A) - 21 (7)

B) 3 (-21) + 7

C) 7 + (-21)

D) 3 (-7) + 21

What is the reading in kwhr of the electric meter shown in the exam figure below?

The graph of g (x) is the graph of f (x) = x+6 reflected across the x-axis. Which equation describes g? a. g (x) = - x-6 b. g (x) = - x+6 c. g (x) = x-6 d. g (x) = - 6x-6

3r = 10 + 5s, when r = 10

How many dry ounces are in a pound?

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. What is the output of the function f (x) = x + 21 if the input is 4? When the input is 4, the output of f (x) = x + 21 is?

What multiplies to 6 and adds to negative 4

How is - 2+3=1 and 3 + (-2) are similar and different?

Write the sum as a mixed number with the fractional part less than one 1 1/6 + 3 3/6

A cyclist rides 6.9 km east for 23 minutes, then he turns and heads west for 7 minutes and 2.1 km. finally, he rides east for 12.6 km, which takes 42 minutes.

The cranberry sauce recipe called for 2 1/6 cups of white sugar and 4 2/3 cups of brown sugar. How many sugar is required?