You can not solve for a as all of the numbers are unknown
r + 4(r - 3)
<em><u>We'll use the distributive property to simplify this.</u></em>
r^2 - 3r + 4r - 12
<u><em>Combine like terms</em></u>
r^2 + r - 12 is the simplified form.
Answer:
15 pieces
Step-by-step explanation:
a ratio of 1:3 has 4 total parts, meaning that each part is 5.
20/3 = 15 so that means he has 5 pieces of chocolate and 15 of hard candy.
Answer:
$49.55
Step-by-step explanation:
multiply 5.25 by 12 then subtract thetnumber by 13.45
Answer:
5
Step-by-step explanation:
first term + (10-1)7=68
first term= 68- 63=5