What's the standard form for 7 + (8 times 1-10)

45 children attend a preschool. The number of 2 year olds is one half the number of 3 year olds. The number of 4 year olds is the same as the number of 3 year olds. A. How many 2 year olds attend preschool B. How many 3 year olds attend preschool C.

3x plus y equals 17 4x - y equals 18

Angie went to the store and bought two packs of cookies for a total of $15. Karen went to the store and bought 8 packs of the same cookies. How much did Karen spend?

For the following exercise, determine the range (possible values) of the random variable, X. A batch of 300 machined parts contains 8 that do not conform to customer requirements.

8. One pound is about 3,500 calories. In order to lose 6 pounds in 5 weeks, the number of calories consumed daily must be decreased by a. 30 b. 60 C. 17,000 d. 21,000

Solve the following simullateneous equation using a algebraic method (not graphically) 2x+5y=0 3x-4y=23

A number increased by five and then divided by two

What is 1.7 rounded to the nearest whole number

A cashier at the grocery store rung up 2 customers in 5 minutes. At this rate, how many customers can he ring up in 30 minutes.

How do you solve the system? y=9-2x x+5y=0