Step-by-step explanation:
Length of arc of a circle is given as:

Thus, the measure of central angle is 140°.
Reasonable because the three items altogether cost about $40
Answer:
3
Step-by-step explanation:
y= mx +b
b the y-intercept and is 2 so is red or purple line
m is the slope = 1/2 so rise 1 and run 2 is the purple line
Answer:
1)
1/2 - C
1/4 - B
1/8 -D
? - A
1/2*1/4*1/8 = 1/16 of the class got an A
2) 40 lb = 840 oz
840 x* 2 1/4 = 1890 oz
Archie's dog eats 1890 oz of dog food in 2 1/4 years.
Answer:
x=9
Step-by-step explanation:
The triangle is equilateral which means the sides are equal.
x+9 = 2x
Subtract x from each side
x+9-x = 2x-x
9 =x