Answer:
8 hours
Step-by-step explanation:
Let x = the hours she work
Equation-
1. 20x + 12 = 172
2. - 12 - 12
20x = 160
3. /20 /20
4. x= 8 hours
1. Write out the equation
2. subtract 12 from both sides
3. Divide 20 on both sides
4. Your answer is 8 hours
Answer:
Slope: +1
y-intercept: +13
y=1x+13
Step-by-step explanation:
21 and 22 because 21+22=43
Answer: 78
Step-by-step explanation: Remember every triangle ads up to a total of 180 degrees. You just have to make sure that it adds up to 180
Answer:
14 cm
Step-by-step explanation:
There are 2 equal sides of 13 cm, thus the third side is
third side = perimeter - 13 - 13 = 50 - 26 = 14