Answer:
it's C
Step-by-step explanation:
please mark me brainliest i need it to level up :(
Fun Fact: Kleenex tissues were originally intended for gas masks
Pretty sure it would be D
Good luck on your finals!
Answer: An equations is a number, a variable, or a combination of numbers and variables and operational symbols. An equation is made up of two expressions connected by an equal sign.
Example Expression: 8x+5y-3x-5
Example Equation: 5x-4=x
Hope this helps a little bit:)
Answer:
16
Step-by-step explanation:
To solve, we can use an equation finding the average of the siblings'ages.

The measure of the fourth angel is 87°