What are these expressions simplified

1. 6t + 7i + 5t + 7i

2. 3x + 6y + 2y + 8x

3. a + 2c - 8a

Graph the system of equations to find the solutions of x3 + 6x2 - 40x = 192. y = x3 + 6x2 - 40x y = 192 Select all of the solution (s) to the equation.

Lily paints 3 trees for a wall mural. The middle tree is 2 1/2 ft tall. The tree on the left is 3/4 as tall as the middle tree. The tree on the right is 1 3/4 times as tall as the middle tree. How tall is each tree?

What ratio is equivalent to 4: 32? 1 : 8 1 : 6 3 : 16 8 : 60

What value of x makes this proportion true 3/x=15/40

The tip for excellent service in a restaurant is 20%. Michael's bill was $60 and he believed he recieved excellent service. How much should he pay?

What happens to the value of f (x) = log4x as x approaches 0 from the right?

The experimental probability that Daria will win a game is 3 8. If she plays the game 80 times, how many times can she expect to win?

A house worth $154,324 is assessed for 3/4 of its value. What is the assessed value of the house?

Wade wants to buy swater he has 175 dollars and each sweater cost 12 dollars apeice

The Central Limit Theorem is important in statistics because a) for a large n, it says the population is approximately normal.