Solve each system by substitution.

3x - 5y = 17

y=-7

Owen is an hourly employee, and the line that models his total pay in dollars as it relates to the number of hours he has worked has a slope of 25 and a y-intercept if 15. Which statement is true? A.

Derek's Great Dane puppy is growing quickly. He gains an average of 40 ounces per week. At this rate, about how many pounds will he gain in 1 year?

A tank contains 60 lb of salt dissolved in 400 gallons of water. A brine solution is pumped into the tank at a rate of 4 gal/min; it mixes with the solution there, and then the mixture is pumped out at a rate of 4 gal/min.

Determine the cosine of ∠B. A) 12 13 B) 12 5 C) 5 12 D) 5 13

what is the resulting equation when the expression for y in the second equation is substituted into the first equation? 3x+y=1, y=6-4x

Simplify 7/3+3 (2/3-1/3) squared

Which expression is equivalent to 2x^2-72

Peter flips a coin 50 times. What is the theoretical probability of flipping a heads?

Chelsea has a beginning balance of $715 in her checking account. She writes two checks for $320 and $640. She has a deposit of $400 and an overdraft fee of $29. What is her new balance? $126 $2104 $1094 $184

You Start At (1,9) You Move Left 1 Unit And Up 1 Unit. Where Do You End?