Answer: should be 70+50x is less than 320
Step-by-step explanation:$70 is only added once, and for 5 hours, she pays him a certain amount of $(x). I don't know if the multiple choices are valid
%error=100(estimate-actual)/actual
%e=100(50-40)/40=25%
can't see the whole question but...
40(60/100)=24
so 24/40=3/5 carry a phone.
24 students carry a phone.
Answer:

Step-by-step explanation:
Length of the rectangle = 
Width of the rectangle = 
<u>Area of the rectangle:</u>
= Length × Width
![\displaystyle = \frac{9}{4} \times \frac{17}{5} \\\\= \frac{9 \times 17}{4 \times 5} \\\\= \frac{153}{20} \\\\= 7 \frac{13}{20} \ in.^2\\\\\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%3D%20%5Cfrac%7B9%7D%7B4%7D%20%5Ctimes%20%5Cfrac%7B17%7D%7B5%7D%20%5C%5C%5C%5C%3D%20%5Cfrac%7B9%20%5Ctimes%2017%7D%7B4%20%5Ctimes%205%7D%20%5C%5C%5C%5C%3D%20%5Cfrac%7B153%7D%7B20%7D%20%5C%5C%5C%5C%3D%207%20%5Cfrac%7B13%7D%7B20%7D%20%5C%20in.%5E2%5C%5C%5C%5C%5Crule%5B225%5D%7B225%7D%7B2%7D)
Answer:
<h2>
m = -2</h2>
Step-by-step explanation:

(3, 4) ⇒ x₁ = 3, y₁ = 4
(7, -4) ⇒ x₂ = 7, y₂ = -4
So the slope:
