Lee has a jar of 100 pennies. she adds groups of 10 pennies to the jar. she adds 5 groups. what numbers does she say?

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

How to use order of operation in 20 divide by 4 multiply 5 = 1

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?