What is the product? (91 - 4)(-91-4)
-8102-16
-811.+16
-8112-721+16
O-811 +72+ +16

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

What is 617.3 miles and each gallon of gas the car can travel 41 miles select a reasonable estimate of the number of gallons of gas karl used.