Arocket is launched vertically from the ground with an initial velocity of 64 . (a) write a quadratic function h(t) that shows the height, in feet, of the rocket t seconds after it was launched. (b) graph h(t) on the coordinate plane. (30 )

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?