81 + 70 + x = 3(73)
first multiply 3(73)
81 + 70 + x = 219
combine like terms
151 + x = 219
subtract 151 from both sides
x = 68
Joaquin needs to score a 68 on her next test to maintain an average of 73.
Answer:
5^2 means 5*5 not 5*2
Step-by-step explanation:
Answer:
jesus...you're twisted anyway 69 :)
Step-by-step explanation:
Nine and a half times.
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you can put it fully nine times. You reach 18 like this. But you have 1 more to go until 19! So, just cut the 2 in half to get 1, and put that in!
Lines BC, AB, and then AC
