Abank's monthly charge for maintaining an account is $.45 for each check written plus a service charge of $12.50. if x represents the number of checks written during the month, which function models this situation? a) f(x) = x + 12.50 b) f(x) = 0.45x -12.50 c) f(x) = 12.50x + 0.45 d) f(x) = 0.45x + 12.50

Can someone me do math because i am having a breakdown rn because i don’t get it

Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?

Walter is to make cookies for a basketball tournament. he's made 15 cookies so far. his coach asked him to make at least 20 cookies but no more than 55. solve the inequality and interpret the solution. 20 ? x + 15 ? 55