A child on a swing is pushed just once. The child moves a distance of 10 feet the first swing, and then only 83%as much as the previous swing for each one after. Which of the following sequences expresses the distance the child travels n swings after the first?
A
an=(10.83)n
B
an=(10.83)n
C
an=10(0.83)n
D
an=10(0.83)n

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

What is the value of x when x + 7 = 21?