Your teacher wants to see if you can guess your two quiz grades. she tells you that the second quiz grade is 21 points higher than the first quiz grade. she also tells you that twice the first quiz grade is 57 points more than the second quiz grade. what were your two quiz grades?

7

step-by-step explanation:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!

answer: it is d

step-by-step explanation:

your question is incomplete, write all the numbers in the sequence that it tells you.  

step-by-step explanation: