Write the equation for a parabola with a focus at (6,-4) and a directrix at y=-7

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?