What is the value of y in the solution to the system of equations?

x + y = 1

2x - 3y = - 30

-8

-3

3

8

Given f (x) = 2x^2 - 5x, determine the value of f (4).

What are the dimensions of the rectangle of greatest area that can be formed with 200 feet of fence?

Boxes of sticky hands popsicles are 4.50. The supermarket is offering a 30% off coupon. What is the price with the coupon? P. S, this is about proportional relationships. Just to let you know.

Find all possible values for θ if 0° < θ < 360° and tanθ = - 1. a. - 225° b. - 45° c. 135° d. 225° e. 315°

If 2xy+y^2=5, then dy/dx=

Express as a sum: 4.5-8.3-2 i will give you brianily if you get it rite

What is 3 to the power of three halves equal to? cube root of 9 square root of 9 cube root of 27 square root of 27

75,000 live bacteria are present in a culture in a flask. When an antibiotic is added to the culture, the number of live bacteria is reduced by half every four hours. Approximately how many hours have passed when there are 2000 bacteria left alive?

Tina completed 2/3 of her homework. George completed 7/8 of his homework. Who completed a greater fraction of homework

A scientist is working with 0.9m of gold wire. How long is the wire in millimeters