Find the percent of change. Round to the nearest whole percent & state whether the percent of change is an increase or a decrease. If the regular price of a new bike is $115 and the sale price is $90, find the percent of decrease to the nearest whole percent.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?