Help please?? I’m being timed!!

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

Prove that 16^4-2^13-4^5 is divisible by 11.

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q