Solve pls brainliest

18

Step-by-step explanation:

Cross multiply, 3 x 24 = 72. 72 divided by 4 is 18. Therefore, the answer is 18.

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).