A=4b-15 a and b have to add up to 90 so whats the answer?

The price of your favorite brand of jeans was $35 last month. This month the price is $42. What is the percent of change from last month to this month?

a race car slows down to make a turn. If it has an initial velocity of 180 km/h [S] and accelerates at a rate of 8.2 m/s squared [N] for 3.2 s at what velocity (in kilometers per hour) does it accelerate

John has 51 cards. Paul has 32 cards. George has a number of cards greater than either Paul or John. How many cards might George have?

Marks lawn service charges 20$ to mow a small lawn. Mark must pay 4$ for gas and 11$ to his workers for each lawn mowed. How much profit does mark make on each lawn mowed

The sales at a particular bookstore grew from $2018 million in 2000 to $3802 million in 2005. Find an exponential function to model the sales as a function of years since 2000. Give your answer using the form B = Boat. Bo = a=

The ribbon costs $3.79 per foot. How much does it cost to make each bow?

In a school 5/9 of the number of pupils are girl. Write down the number of girls as a ratio to the number of pupils in the school

Walter practices piano for 1/4 hour, 1/2 hour, or 3/4 hour every other day. If a line plot shows two X's above each value of time, what is the total amount of time Walter has spent practicing? i came up with 2 1/4 hours

A pair of dice is rolled. What is the probability that a 3 shows up on the second one?

3. Solve this inequality: 3b-7<32 O A. b<39 B. b<5 C. b< 13 D. b<8.33