Rectangle CDEF has vertices C(−10, 10), D(5, 10), E(5, 5), and F(−10, 5). It is dilated by a scale factor of 15 centered at (0, 0) to produce rectangle C′D′E′F′. What is the perimeter in units of rectangle C′D′E′F′?

Find csc x if sin x + cot x cos x =√3 a. 9 b. 3 c. √(3)/2 d. √(3)

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11