Answer:

Step-by-step explanation:
When choosing equations to write, make sure you choose a pair that allow you to isolate a variable and solve for it.
Sample solution:



Answer:
A = 20% B = 36%
Step-by-step explanation:
35 in total bought
2/10 = who bought model A = 20%
16+9 = 25 => 9/25 who bought model B = 36%
6×5=30. the sum of the five numbers is 30. then just do 30-7-8-5-2=8. 8 is the number on the bottom card.
Answer:
a(1)=−13
a(n)=a(n−1)+4
Find the
2nd2^{\text{nd}}
2
nd
2, start superscript, start text, n, d, end text, end superscript
term in the sequence⎩
⎪
⎪
⎨
⎪
⎪
⎧
a(1)=−13
a(n)=a(n−1)+4
Find the
2nd2^{\text{nd}}
2
nd
2, start superscript, start text, n, d, end text, end superscript
term in the sequence
Answer:
the answer to the question is 1