For an arithmetic sequence where a1 = 17 and the common difference is 5, find s7.
a. 219
b. 229
c. 224
d. 235

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x.which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Could somebody me with this radical simplification?