Answer:
ba+7b+3a+21
Step-by-step explanation:
Use the FOIL method: (a+b)*(c+d) = ac+ad+bc+bd(a+b)(c+d )= ac+ad+bc+bd.
Answer:
-6
Step-by-step explanation:
3(2y+5)=-21
2y+5=-21/3
2y+5=-7
2y=-7-5
2y=-12
y=-12/2
y=-6
Answer:
13
Step-by-step explanation:
Prove
Answer:
2
Step-by-step explanation:
0+1+2+3+4= 10/5
= 2(mean of 1st 5 whole numbers)
Answer:
24%
Step-by-step explanation:
48/248*100
=24%
original 248
new. 200
difference 48