Solve this system by using substitution:

y=7x-10

y=-3

Find the mean: 8, 10, 10, 10, 6, 7, 8

Play Broken Calculator. Show 22. Broken key is 2. Show 3 ways.

Matt is showing his work in simplifying (6.2 - 1.6) - 4.4 + 7.8. Identify any error in his work or reasoning. Step 1: (6.2 - 1.6) - 4.4 + 7.8Step 2: 6.2 + ( - 1.6 - 4.4) + 7.8 (commutative property) Step 3: 6.2 - 6 + 7.

How do you solve 10-3 (m-2) = 8

solve 7234 times 1000 show your work

John is twice as old as Mary. The sum of their ages is 21. How old is Mary? Let J = John's age and M = Mary's age. Select the system equations that represents the problem. J - 2M = 0 M - 2J = 0 J + M = 21 J = M + 2

A function is defined by f (x) = x/4, what is f (-8)

Find tan θ if sec θ = √26/5 and sin θ < 0.

Why do you think you need to add zero pairs to get the - 1 - tiles to fit in the rectangle?

Could someone explain to me how to find the unit value for something?