4) Chad's grandmother is knitting him a cozy pair of mittens and a scarf for his birthday. She starts with two 420-foot balls of red wool. She uses 100 yards of wool for the mittens
and 125 yards for the scarf. After finishing the mittens and scarf, how many yards of wool
does she have left?

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.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.