What is 2x+y=8 and x-2y=-1

Kanye is trying to solve the problem below. ms. lee bought 2 pounds of apples and 3 pounds of bananas. the apples cost $1.89 per pound. the total cost was $7.65. what was the cost per pound of the bananas? kanye writes the equation 2 (1.89) + 3b = 7.

Let f (x) = x^2 + 2xHow would you explain what f (5) means to a friend?

Find the mode of this data set 53, 50, 47, 40, 45, 41, 36,53, 45, 46, 48,36

What's 7x5? I don't know it ...

He finds 10 fewer grasshoppers than crickets. He finds 5 fewer crickets than ladybugs. If Jeff finds 5 rasshoppers, how many lady bugs does Jeff find? How many crickets does he find? Write two equations to solve the problem.

A home business has an average income of $900.00 per month with a standard deviation of $15.00. If the income in a given month is $930.00, what z-score corresponds to this value?

The sum of 6 consecutive integers is 393. What is the third number in this sequence?

Tomas earned $38.25 for the cleaning the garage. He was paid $4.25 per hour. Write and solve an equation to find how many hours it took him to cleen the garage.

Which would be the "best" or quickest first step to solve the system using substitution? x - 2y = - 2 - 3+y=2 Solve (rearrange) the 1st equation for X. Solve (rearrange) the 1st equation for Y. Solve (rearrange) the 2nd equation for X.

Write an explicit formula for the sequence - 4, 1, 6, 11, ... an = - 4 + 5 (n+1) an = - 4 + 5 (n-1) an = - 4 + (n-1) an = - 4 + 5n