What type of counting problem is this? Johnny is a very picky eater, so he likes to use a lot of condiments. He has ketchup, salt, pepper, and shredded cheese at his disposal. His mother tells him he may only make two additions to his meal (i. e., he can add condiments only twice, regardless of whether or not he already used them). How many different ways can Johnny improve his meal?
A. Combination with repetition
B. Combination without repetition
C. Permutation with repetition
D. Permutation without repetition

Find the surface area of the prism formed by the net

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.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees