How do I simplify - y + 9z - 16y - 25z + 4

mark goes to the mall every 4 days, costco every 2 days, and the grocery store every 3 days. if he goes to all three on the 15th, when will he go to all three again?

What is the eqivalent of a fraction - 15 divided by - 20

Subtract 6 from 4 times d

Consider the statement : Congruent triangles are always similar. Which of the following statements is an example of the statement above? Select all that apply. angles are the same, but sides are proportional to eachother. Sides are the same size.

Cookie recipe: 5 cups flour 4 cups sugar find the unit rate of flour for each cup of sugar write one sentence to describe the ratio of flour to 1 cup of sugar

What is 656 divided by 78

What is the least common multiple for 165 and 22?

What is the scientific notation of 8888800

A ski shop owner surveys 200 people who ski or snowboard. If 196 people ski and 154 people do both activities, how many people snowboard?

7.) Sophie can write 80 words in 5 minutes How many words can she write per hour