Solve using substitution.

y = - 2

7x - 4y = 1

Billy just received $10 for his birthday and immediately spent $2.50 on a pack of baseball cards. He then wants to buy some boxes of candy that cost $1.50 each. If Billy has $7.

Mr Lloyd wants to buy a new television but he does not have enough money in his bank account to pay for one. Which of these is not an option for mr Lloyd

A rectangle has its base on the x axis and its upper two vertices on the parabola y = 9 - x2. (a) Draw a graph of this problem. (b) Label the upper right vertex of the rectangle (x, y) and indicate the lengths of the sides of the rectangle.

16. simplify the rational expression. state any excluded values. x^2-x-6/x+2

Simplify the expression 16x^2y^5 / -4x^-6y^8

Which equation has a variable term in the equation - 6 + 2X = 6x - 9

On may 31, the cash account of bottle's r us had a normal balance of $5,000. during may, the account was debited for a total of $12,200 and credited for a total of $11,500. what was the balance in the cash account at the beginning of may?

When ringing up a customer, a cashier needs 8 seconds to process payment as well as 1 second to scan each item being purchased. If it takes 11 seconds to ring up a customer, how many items are being purchased?

In a chemical compound there are 3 parts zinc for every 16 parts copper by mass a piece of the compound contains 320 grams of copper write and solve an equation to determine the amount of zinc in the chemical compound

How many pillows can she make using 6 yards of fabric?