Marcus sorts his 85 baseball cards into stacks of 9 cards each. how many stacks of 9 cards can marcus make? 4th grade homework

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.