Solve for a.

ab + c = d

a. a = b/(c-d)
b. a = (d-c)/b
c. a = b + c/d

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m