exam Maths Puzzle Numerical Ability

Shaquita average score on her first three math test is 77. she score 62 on the first test.On the third score, she score 9 more than she score on her second test. what did she score on the second and third test?

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exam Other Question

1.Linear relationships between two quantities can be described by an equation or a graph. Which do you think is the more informative? Why?

2) Find the slope of a straight line I have three problems I cant seem to get Could anyone help. Find the slope of the given relations defined by these equations. A. 9x+2y=5 B.x=-4 C. 11=2y