If the measurement of angle =38,and measurement of angle 10=102 find angles ,2,3,4 and angles 5

Is -24 a solution to the equation -16+2x=-64

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

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?