Which expression is equivalent?

−3(6x + 7) + 4(7x + 2)
a) 10x + 13
b) 10x − 13
c) −10x + 13
d) −10x − 13

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?