Jackson weighs a sample of metal in science class and gets 12.8g as his weight. The actual weight is 12.4g. What is his percent error, rounded to the nearest hundredth?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3