Loren solved the equation 10 = StartFraction 19 Over 9 EndFraction (149) + b for b as part of her work to find the equation of a trend line that passes through the points (1, 130) and (10, 149). What error did Loren make?

A. She should have solved 10 = StartFraction 9 Over 19 EndFraction (149) + b for b.
B. She should have solved 1 = StartFraction 19 Over 9 EndFraction (130) + b for b.
C. She should have solved 149 = StartFraction 19 Over 9 EndFraction (10) + b for b.
D. She should have solved 130 = StartFraction 9 Over 19 EndFraction (1) + b for b.
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Acylinder has volume 45π and radius 3. what is it’s height?

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.