2 answers:
Answer:
D. 21
Step-by-step explanation:
replace 21 for r, 4(21)=84
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Answer:
D. 21
Hope this helps!
Step-by-step explanation:
Because in order to find r, you need to divide both sides by 4 to get r = 21.
So that means there will be 21 rhinestones on each backpack.
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trials expected to be two tails.
Answer:
B. x=6
move all terms to the left that don't contain x to the right side and solve.
Negative one would be the answer
Answer:
10
Step-by-step explanation:
Answer:
q1: yes
q2: no
Step-by-step explanation:
2(5)+10(1)=20
10+10=20
20=20
(5)+(1)=6
5+1=6
6=6
(8)=(1)+3
8=1+3
8=4