Find the GCF of -10c^2 a and 15ca^2
A. -5c^2d^2
B. -5cd
C. 5cd

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {