System of equations word problems, i have a test on them tomorrow can anyone ?
explain them

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

What is the best estimate of the length of a football

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.