Explain how to model the division of - 20 by - 5 on a number line.

7 (x - 3) = 14 what the answer

Dina is 23 years older than her daughter Amy. in 6 years Diana will be twice as old as Amy?

What is 18.386 meters in centimeters

A rectangle has an area of 135 cm2 and a perimeter of 48 cm. what are its dimensions

Perform the indicated operation and write the answer in the form a + bi. 4 - 5 6 + 7i 11 13 58 13 58 11 85 + 85 58 + i 13 13 11 58

Use properties to solve 93 + (68+7)

If a polynomial has four terms, 3x3 + 5x + 6x2 + 10, which factoring method can be considered?

When 6 times a number is increased by 7, the result is 31 what is the number?

3 (3 - 8x) - 1 = - 6x - 28

A bag contains purple marbles and white marbles, 95 in total. The number of purple marbles is 1 less than 5 times the number of white marbles. How many purple marbles are there?