What is the place value of the last digit in 3.07?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

Solve for x and select the correct answer

Which of the following vectors are orthogonal to (2,1)? check all that apply