Sam and annika ride their bikes to school. sam rides his bike (k )kilometers. annika rides her bike two less than four times as many kilometers at sam rides.
explain why sam must ride his bike more than 1/2 kilometer to school

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?