Two-fifths of a number is decreased by three. Find the value of the expression if the number is twenty-five.

The sum of twice a number and four times a number subtracted from a number squared

The first three terms of a geometric sequence are as follows. - 5, 20, - 80 find the next two terms of a sequence give exact values

Emily is 66 years old. Colin is 12 years older than Emily. Dan is 16 years younger than Emily. What is the total of their combined ages?

Solve for x. x + 5 = 2x

A computer was regularly priced at 1,500. if you order the computer over the internet, you can save money as the price is only 1,200

F (x) = - 21x^2 + 63x + 84

What is the sum of 197+413 in expression

Sally invests $4000 in a savings account which compounds interest monthly. After 10 years, she has a balance of $4,491.73. What is the annual interest rate of the account, rounded to the nearest 0.01%

pete owes his brother $35 from five weeks of borrowing money if pete contiuess to borrow money how much money will he owe after 3 weeks

How many diagonals does a cube have