There are 16 boys and 12 girls in the spanish club. four more boys joined the spanish club if ratio of boys to girls did not change, how many girls joined the spanish club?

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6

Is a triangle with sides of length 6ft, 21 ft, 23 ft. a right triangle?