7x-4y=20 for y when x=3

Wendy paints a wall that is 10.5 feet tall and 9.2 feet wide what is the area of the wall that she painted?

Morley Cunningham computed the unit price of an 8-count package of hamburger buns and found them to be $0.03 more per bun than the unit price of a 10-count package. If the 8-count package costs $0.

Nichole wants to buy a Dodge Charger that costs $29,500. She will make a $6,000 down payment and borrow the remaining with a 72-month loan that has an annual interest rate of 4.8%. Determine Nichole's monthly car payment to the nearest dollar amount.

Your friend gave you a gift card for your birthday. You use it to buy a DVD for $15 $15 . The gift card balance shown on the receipt after the purchase is $45 $45 . What was the original value of the gift card

Sue used the equation y=10x to calculate how much money, y, she would make for babysitting x hours. How many hours did Sue babysit for if she made $260?

Six times the sum of a number and twelve is forty. Which equation represents this? 6N+12N=40 6N+12=40 6 (N+12) = 40

Dave wants to determine how long it will take him to run to the park and back home

Solve for the value of z in the indices 5z=80z*-1/3

Which is correct? 0.0093>0.01, 0.26730.533,0.6409<0.641

Which description is paired with its correct expression?