Ateacher gave a test with 50 questions, each worth the same number of points. donovan got 39 out of 50 questions right. maci's score was 10 percentage points higher than donovan's. what was maci's score? explain. how many more questions did maci answer correctly? explain. explain how you can check your answers for reasonableness.

How do i work this problem out using the equation a=pe^rt

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?