R=4/3(p-q) literal equation may I pls have a step by step explanation I have a test tomorrow and I want to understand how to do this

Can someone me i’m confused. will give brainliest and a whole bunch of points

Which of the following is the maximum value of the equation y=-x^2+2x+5 a. 5 b. 6 c. 2. d. 1

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.