Explain which method you used for solving the system of equations in which x represents the number of bottles of water sold and y represents the number of sandwiches sold. x + y = 390 and 2x + 4y = 1260

Challenge A baseball player hits a baseball and its height is modeled by the function h (t) = - 16t^2=12t+4. If t represents time, in seconds, find the time in seconds when the ball hit the ground

Solve for "y" x=5+8y-8

What is (gºf) (2) for f (x) = 10/x - 1 and g (x) = 7x - 4? A) 0 B) 4 C) 10 D) 12 E) 24

Write an equality that represents eight less that three times a number is more than 22

How do you write 4.293 in expanded form

Mari wants to cut a 2/3 ya piece of ribbon into 6 equal pieces. How long will each piece be?!

A ball is thrown from a height of 157 feet with an initial downward velocity of 9 ft/s. The ball's height h (in feet) after t seconds is given by the following.

Y = 1/2x - 6 X = - 4 What is the solution to the system of equations? titte (-8, - 4) (-4,-8) (-4,4) (4,-4)

How do I solve 15 + (5-x) / x=30

Hal is mixing bug spray for his roses. He has one gallon with a mixture of 90% water and 10% chemical. However, he needs a mixture that is 96.5% water. How much water should be added to the mixture to make it 96.5% water?