Jacob R. scored a 25 on his quiz last week. This week he scored a 70 on his quiz. By what percentage did Jacob improve his grade?
O 180%
O 38%
O 64%
O 45%

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.