Paul bought a soft drink and a sandwich for $9.90. what equation may be used to find the price of each item if the sandwich cost 3.5 times as much as the soft drink? a) x = 9.90 b) 2x = 9.90 c) 3.5x = 9.90 eliminate d) 3.5x + x = 9.90

D

Step-by-step explanation:

The other ones don't make sense. The answer is 3.5x+x=9.90

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )