Sarah saving money to buy a camera that costs $189. She saved $so farShe also planning on saving $10 a weekIn how many weeks will she have enough money to buy a camera

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

What is the lcm of 16 and 40 ? 24 and 40 ?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m