I need help I have this problem and I think it either has to be simplified or turned into a fraction but I’m really sure it’s simplified anyway the equation is 5x+5x=10x please help

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250