Answer:
22
Step-by-step explanation:
This is a right angle so the sum of those would be equal to 90 degrees
x + 7 + 3x - 5 = 90 add like terms
4x + 2 = 90 subtract 2 from both sides
4x = 88 divide both sides by 4
x = 22
Answer:
B is a trinomial.
Step-by-step explanation: A trinomial is a math equation with 3 terms connected by plus or minus notations. In these 4 answer choices, choice B is the only one with 3 terms.
Answer:
opposite, gib me brainliest plss.
Step-by-step explanation:
Answer:
73
Step-by-step explanation:
to get the average you add all five together and divide by the number of scores, which is five