Answer:
18x^{3}+30x^{2}+42x+20
Step-by-step explanation:
Use the distributive property to multiply 3x^{2}+3x+5 by 6x+4 and combine like terms.
Answer:
pancake
Step-by-step explanation:
Answer:
$630
Step-by-step explanation:
They raised 70% of $900.
70% of $900 = 70% × $900 = 0.7 × $900 = $630
Answer:
21-(-7)=28
Step-by-step explanation:
1. Do same, change, opposite.
21-(-7)
21+7
=28