What would the profit from sales be if the price of the t-shirts were $15 a piece?

B. 28

Step-by-step explanation:

p(x) = -2(x-9)^2 + 100

Substitute 15 for x.

p(x) = -2(15-9)^2 + 100

      = -2(6)^2 + 100

      = -2(36) + 100

      = -72+100

      = 28

Hope this helps.

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.