Answer:
balloons= 9
candles= 8
Step-by-step explanation:
let the number of balloons be x
and candles be y
So
15x+8y=192----------1
x+y=17--------------2
from 2, x= 17-y
put x= 17-y in 1
15( 17-y)+8y=192
255-15y+8y=192
solve for y
-7y=192-255
-7y=-63
x=63/7
x=9
put x= 9 in 1
9+y=17
y= 17-9
y=8.
Answer:
× π10 = 7
Explanation:
The formula to find arc length is 
× 
Simply plug in radius and arc length to get your equation.
Answer:
(x+3)(x+2)
Step-by-step explanation:
take x^2 and take it apart. so it should be (x+ ) (x+ ) then take 6 and make it so it's multipuls equal 5. ur answer should be (x+3)(x+2) or vice versa.
You have to add and divide for the mean(average) so add all of them up and then divide by 3 :)
