Nassim buys petrol from his local garage. on Monday, he filled up his tank.
on Tuesday, his tank was 3/4 full
what fraction of the full tank of petrol did he use

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.