Answer:
The unit rate is 20.8 ft/ sec.
Step-by-step explanation:
It is given that the displacement of 644.8 ft in 31 s.
When the rate is define in the quantity of 1, then it is called unit rate.
In 31 s the displacement is 644.8 ft.

Divide both sides by 31,


For one second the value of the displacement is 20.8.
Therefore the unit rate for 644.8 ft in 31 s is 20.8 ft/sec.
In point slope form, the equation is y-7=(-10/3)(x+9). In slope-intercept form, it is y=(-10/3)x-23.
First find the slope of the line. The formula for slope is
m=(y₂-y₁)/(x₂-x₁)
Using our points, we have
m=(-3-7)/(-6--9) = -10/3
Plug this into point slope form:
y-y₁=m(x-x₁)
y-7=(-10/3)(x--9)
y-7=(-10/3)(x+9)
Using the distributive property:
y-7=(-10/3)*x+(-10/3)*9
y-7=(-10/3)x-90/3
y-7=(-10/3)x-30
Add 7 to both sides:
y=(-10/3)x-23
Z & X = 21 degrees and y = 159 degrees
Answer:
$1,050 because 150x7=1,050
Step-by-step explanation:
1.c: 25...............
2.b: n=5...........