Please asap! simplify these. (and please let me know which one it is by adding a, b,c !!

A) 4(a^2+5a-6)-3(3a^3+4a-5)

B) 3c^2d(2c^3d^5) / 15c^4d^2

C) (4c^-2 y^3 / xy^-4) ^-2

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=