PLEASE HELP ME! Simplify the expression. 3(z - 11) - 5(6 + z)

(12a - 6b) - 3(a - 4b) + 5(-2a - b)

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?