Answer:
22
Step-by-step explanation:
1. Plugin 4 for each corresponding X value
2. Should look like 4^2+7(4)-22
3. Once ran through a calculator you should end up with a value of 22
Answer:
The top one I'm pretty sure.
Answer:
In mathematics, the additive inverse of a number a is the number that, when added to a yields zero. Just remember this number is also known as the opposite sign.
Hope this helps :)!!!!!!!!!!!!!!!!!!!!!
Step-by-step explanation:
Answer:314
Step-by-step explanation: To find area you use the formula πr^2. Your radius is 10 (since it is half your diameter). Plug it in to get π(10)^2. or 100π. Then just substitute 3.14 for π. You have 100 times 3.14 which equals 314