-5a^2 - 7a = -a x (5a + 7)
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David's score on his fifth test would be an 87. If you add up all the scores from his first to his fourth test, it would 363. However, since there are five tests, in order to get a 90 percent, the sum of all five test scores would be 450. 450 - 363 = 87.
Answer:
a 8 parts b 8 3|4 = 3×2|4×2=b|8
Step-by-step explanation:
Answer:
46
Step-by-step explanation:
324 - 278 = 46
278 + 46 = 324
Answer:
Function 1 is linear
Step-by-step explanation:
A linear is a straight line on the graph.