Estimate the product of 15.217 × 9.54

M∠cbd=4x+52∘ m∠abc=8x−10∘\qquad m \angle abc = 8x - 10^\circm∠abc=8x−10∘ find m∠cbdm\angle cbdm∠cbd:

Students are getting signatures for a petition to increase sports activities at the community center. the number of signatures they get each day is 3 times as many as the day before. the expression 3^6 represents the number of signatures they got on the sixth day. how many signatures did they get on the first day?

Anutrition company is marketing a low calorie snack brownie. a serving size of the snack is 3 brownies and has a total of 50 calories. determine how many calories 21 brownies would have