Anyone know the answers to these? Or have the worksheet? WILL REPORT IF ANSWERED FOR POINTS

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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?