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the function p(x) = 3(2)x gives the total number of pennies in someone's piggy bank, p(x), after x weeks. how many pennies are in the piggy bank after 6 weeks? type a numerical answer only.

Can someone me out here number 4 plz

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)