Daniel expanded the expression as shown.

-2(-8x-4y+3/4)=10x-8y-1 1/4

-2(-8x-4y+3/4)= 16x + 8y -

Step-by-step explanation:

Step1:

Multiply the parenteses by -2

= -2 × (-8x) -2 × (-4y) -2 ×

Step2:

Calculate and reduce

= 16x + 8y -

80 the answer is 80

step-by-step explanation:

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)