N + d = 20 (there are a total of 20 nickels and dimes).05n + .1d = 1.4 (total change equals $1.40)
Answer:
18
Step-by-step explanation:
81π=πr^2
r= 9,-9
9+9=18
Answer
k = -1
Step-by-step explanation:
First we turn the equation into y = mx+b format then we we can plug in the value y= 4 and get 4 = -2x + 2
subtract two from both sides so 2= -2x divide btoh sides by 2 and get x = -1
Answer:
180
Step-by-step explanation:
If two-thirds of Sam's weekly income is $480
so total is $720
720$/4= 180$


__________________________________________

- A 3 dimensional figure with 5 sides
- it has 3 rectangles with dimensions 28 ft and 25 ft
- And 2 triangles with base =30 ft and height = 20 ft

- Total surface area of figure


ㅤ







__________________________________________

❒ Area of given figure
