8.5 in scientific notation

on a final exam Alex answered 21 out of 25 questions correctly. he needs to score at least 80% to receive a b in the couse

Jolie uses 1.5 tomatoes every day to prepare her salad. If x equals the number of tomatoes Jolie had before she made her salad and z equals the number of tomatoes left after the salad is made, which equation represents the number of tomatoes Jolie

What is 2/9 x 3/5 and then reduce to its lowest term

Using coupons, you spend $135 grocery shopping. this is 75% of the total retail price of the groceries. how much would you have spent if you had not used the coupons?

Whats the difference of 2 times d minus 3 a. 2 b. 1 c. 4 d. 3 e. 0

The table shows the number of glass bottles of different colors in a shelf. A fair coin is shown below the table.

How can 225% also be expressed as a fraction or mixed number? Express in simplest form.

A truck is rented at $40 per day plus a charge per mile of use. The truck traveled 15 miles in one day, and the total charge was $115. Which equation can be used to the charge x, in dollars, per mile traveled?

Can x and y intercepts be in decimals or fractions?

What is the slope of x+8/4=y