Krissy predicted that she would sell 65 sweaters. She actually sold 85 sweaters. What are the values of a and b in the
table below?
Percent Error
Item
Sweaters
Approximate value
65
Error
Absolute error
Ratio
Exact value
85
Percent error
a
b
O a=-20,b=-20
O a=-20; b=20
O a = 20,b= -20
O a= 20; b= 20

What expression is equivalent to 1/2(2+3x-6)

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?