18 POINTS AND BRAINLIEST A system of equations is shown. What is the value of x in the solution to the system?
4x + 2y = 10
2x - 2y = 8

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

Why do interests rates on loans to be lower in a weak economy than in a strong one

If 25% of y is 30, what is 60% of y?