Solve for x.

2x+20,2x-4

Jamal works in a city and sometimes takes a taxi to work. the taxicab charge $1.50 for the first 1/5 miles and $0.25 for each additional 1/5 miles. jamal has only 3.75 in his pocket.

Connor had 6 cups of chocolate chips in a bag. his cookie recipe uses 1/4 cups of chocolate chips. Connor made the recipe 4 times. how many chocolate chips are still in the bag

Amanda invested a total of 50,000 in three accounts. Account A pays 3% annual interest, account B pays 2% and account C pays 4% interest. The total anual interest from the three accounts is 1,700.

66.15 divided by 0.63

List any two features of a 401 (k) retirement plan.

a tree casts a shadow 27meters long. a nearby by post that is 5 meters tall casts a shadow 3 meters long. how tall is the tree? (hint: set up proportion to solve)

13. Michael deposits $800 into an account that pays 8% interest rate every year. Write an exponential function giving the amount f (t) (in dollars) the Michael will have after t years.

What is the range of f (x) = - x2 4, if the domain is {2,0,1}? A) {0,3,5} B) {0,4,3} C) {0,4,5} D) {8,4,3}

There are 90,000 famillies who donated to Nina's Fund. They donated 40 dollars each. How many dollars were raised?

Sharon called 3 friends on Friday. On Saturday, each of those 3 friends called 3 different friends. On Sunday, each person who was called on Saturday called 3 different people. How many friends were called on Sunday?