Answer:
19y - 9
Step-by-step explanation:
-3(-4y + 3) + 7y =
Distribute the -3.
= 12y - 9 + 7y
Combine like terms: 12y + 7y
= 19y - 9
C the correct answer is C
Answer:
Step-by-step explanation:
we have

we know that
The formula to solve a quadratic equation of the form
is equal to
in this problem we have

so
substitute in the formula

square root it and divide by pi. square root of 529 is 23. then divided by pi (3.14) is 7.32.
If a cirlce is 360* the cloest answer would have to be.... *c*