Which of the following is equivalent to (2a + 5b) (a - 3b)? A) 2a² - 2ab - 15b²
B) 2a² - ab 15b²
C) 2a² + 2ab - 15b²
D) 2a² + 11ab - 15b²

Step-by-step explanation:

use foil and you will have

=2a^2-6ab+5ab-15b^2

=2a^2-ab-15b^2

i think is B, maybe you forgot a minus between ab and 15b^2

1/8s=44 or s=352

Step-by-step explanation:

0.75s-5/8s=44                        

0.75=3/4 which also equals 6/8.

6/8s-5/8s=44          

Combine like terms

1/8s=44

s=352