R=x²/y
x=3.8×10^5
y=5.9×10^4
work out the value of R in standard form.

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Find the area of the regular hexagon if a side is 20 cm.

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°