2. a bakery makes 40 different flavors of muffins. 25% of the flavors have chocolate as
one of the ingredients. draw a tape diagram to show how many flavors have chocolate
and how many don't.
3. there are 70 students in the school band. 40% of them are
seventh graders, and the rest are eighth graders.
vand. 40% of them are sixth graders, 20% are
a. how many band members are sixth graders.
b. how many band members are seventh graders?
c. what percentage of the band members are eighth graders? explain your reasoning.

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?