Simplify by combining like terms

7x - 3x (x + 1)

Hailey's plane climbed 1,575 feet in 180 seconds. How fast did her plane climb every second

a. At a pharmacy, a parent asks a pharmacist why her child needs such a smaller dosage of a certain medicine. The pharmacist explains that a general formula may be used to estimate a child's dosage of certain medicines.

To go to dance class at 6:45 pm bus, kelly needs 35 minutes to walk home from a friends house, 30 minutes for dinner, and 20 minutes to drive to the class. To make class on time, what is the latest time she should leave her friends house

The cost of a newsletter subscription is $20 per y ear. The cost is expected to increase 10% each year. Which expression can be used to find the cost n years from now? What will the expected cost be at the end of 3 years?

The center field wall at Angel Stadium is 390 feet from home plate. If Mrs Martinez was playing for the Angels and hit a fast ball heading to center field with a ball height when the ball is x feet from home plate given by the equation h (x) = - 0.

What is the max value of x and the min value of x?

What's the Answer To 9 Hundreds Place And The 6 In The Hundreds

Solve the two-step equation. - 0.45x + 0.33 = - 0.66 What is the solution? x = - 2.2 x = - 1.4 x = 1.4 x = 2.2

Six times a number decreased by 8 is less than five times the number plus 21

Which list of numbers is in order from least to greatest? 3/6 3/10 3/7