a sofa sells $870. the sale price is $783.00. find the perfect decrease of the sale price from the regular price

Solve the system of equations. 12x - 5y = - 20 y = x + 4 x=

What is the measure of unit in slope of years and feet

Card factory has 82 valentines day cards to ship out. If they wanted to put them into seven boxes with the same number of cards in each box how many extra cards would they have?

The difference of eight times a number and four times the same number

If you roll a fair six sided dies and a four sided dies what is the probability that neither dies shows a one

You and a friend buy two fruit smoothies and leave a tip. You split the total and your half cokes to 3.60. What percent tip (in decimal form) did you and your friend leave if the fruit smoothies cost $3 each?

Terry deposit of $520 into your bank account that run simple interest each year after five years she had earned $156 in interest if no money was deposited into or withdrawn from the account what was the annual interest rate

Solve the system of equations by elimination. 2x-y+3z=-12x-y+3z=-1 x+2y-4z=-1x+2y-4z=-1 y-2z=0y-2z=0

Change 0.56 radians into degrees and minutes.

Evaluate 4P3 24 7 10 12