With this diagram, what could be the value of a and b?

Which math sentence can be used to determine if the triangle is a right triangle?

Write the following as a base and exponent

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.