Answer:
11
Step-by-step explanation:
If we have 300 animals total, and the ratio of cats to all animals is 7 : 15 or 7/15, we can multiply that fraction/ratio by the total, so 300 * 7 /15 = 20 * 7 = 140.
Answer:
-a-4
Step-by-step explanation:
remove the parenthesis (or however you spell it..)
3a+2-4a-6
combine like terms
3a-4a+2-6
solve
-a-4
Answer:
Substitute each of the values into the expression.
1. 7(7)-3(4)+8-4
49-12+8-4
41
2. 6(5)-10/5
30-2
28
3. 3(1)^2+2^3
3(1)+8
11
4. 5(3)^2
5(9)
45
:)
