7x-4y=-7

5x+y=22

how do I solve this using substitution?

The number s is one third the number t. Which number sentence shows the relationship between s and t?

A circle is centered at (3, 8) and is tangent to the x-axis. Write its equation in standard form. A) (x - 3) 2 + (y - 8) 2 = 9 B) (x + 3) 2 + (y + 8) 2 = 9 C) (x - 3) 2 + (y - 8) 2 = 64 D) (x + 3) 2 + (y + 8) 2 = 64

Lia loves to shop for clothes. She goes to her favorite dress shop and buys a dress that is marked 10% off. The original price is 85.00. How much money did she save by buying the dress on sale?

Nyda investment of 1500. at an 1nterest of 3% per annum is compounded annually. To the nearest dollar, how much was her investment worth after 5 years?

Eighteen pepperoni for each pizza

The stem-and-leaf plot shows the ages of the volunteers at a beach cleanup. How many of the volunteers were less than 20 or older than 40 years old?

If 2x = 14 then x=7

Solve the sum of two numbers is 23. one number is one less than twice the other. find the two numbers

4.5 (8-x) + 36=102-2.5 (3x + 24) with work step by step will give brainliest

What is the surface area of 5, 8, and 3