You purchase 9 rolls of streamers and eight bags of balloons for $21.63 to decorate for a party. Later you bought 2 rolls of streamers and 4 bags of balloons for $8.34. Let x represent streamers and y represent bag of balloons.
Write your equation for your original purchase
Write an equation for the second time you purchased items:
How much did a bag of balloons cost? $

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.