Answer:
<h2>see the answers</h2>
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
<h3>tips and formulas:</h3>
orders of PEMDAS:
- parentheses
- exponent
- multiplication or
- division
- addition or
- substraction
<h3>let's solve:</h3>
a)
- remove first parentheses and add: -6×[-12+26] =-6×[14]
- remove third parentheses and multiply:-6×14=-84
c)
- remove first parentheses and add:(6)×[-17+28]=6×[11]
- remove third parentheses and multiply: 6×11=66
e)
- remove first parentheses and substract:7×[-12-(6)]=7×[-12+(-6)]=7×[-18]
- multiply:7×[-18]=-126
Answer:
x and y are coordinates and m is slope
Answer:
Step-by-step explanation:
5) D 2000/200 = 10
6) C 90/9 = 10
7) B 80/8 = 10
8) A) 10 times 2 =10*2 = 20
