Answer:
$3 per attendee
Step-by-step explanation:
($100 - $40) / (20 - 0) = $3 per attendee
Answer:
7 4/10
Step-by-step explanation:
Answer:(f*g)(x)= 21x^2 -29x -10
Step-by-step explanation:
(3x-5)(7x+2)
21x^2-35x+6x-10
21x^2-29x-10
Answer:
x = 8, y = 
Step-by-step explanation:

Both 8 and x sides are congruent so they're equal.
Add 64 + 64.
Square root 128

Final answers: x = 8, y = 
3a plus 7. you group the whole numbers together and than the a's. so 3+4 is 7. 2a + a is 3a.