7. The Jacobs' expenditures for the past 7 months were: January, $1,084.45; February, $886.40; March, $968.45; April, $1,142.60;
May, $995.80; June, $1,379.86; and July, $1,042.88. What is their
average monthly expenditure?
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What is the slope of the line shown below?

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?