29 students attend Penny Creek Elementary. Yesterday, 63 students were on a field trip to the zoo. 18 students were home sick. How many students were in class?

Nine more than four times a number is the same as one less than twice the number. find the number?

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?