Free points And marking brainlliest

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?