Can anyone answer my question please no alien talk or file please answer this I need it I will do something for you ;) and I will give brainliest for the right answer for both of the questions

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?