Javon and Ivy are both given the equation 7-=8. Javon thinks the first step is -=15. Ivy thinks the first step is -=1. Who is incorrect and why?

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

Eiko is wearing a magic ring that increases the power of her healing spell by 30%. without the ring, her healing spell restores h health points. which of the following expressions could represent how many health points the spell restores when eiko is wearing the magic ring?