Solve the system algebraically (using elimation or substitution method) 4x + 5y = 2
x + 2y = -1

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?