.7 + 8 − 2A.9 .9 + (12 − 10)
.(20 − 15) × 2
.10 ÷ 5 + 7D.
.6 + 2 × 3E.13
.(2 × 4) + 8F.
.Anyone knows the value to match theses expressions?

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?