What is 9+10 (2) - 1+a

a=3

A mathematician goes to his friend's house and asks his friend to guess the age of his three daughters: * The product of their ages is 72. *The sum of their ages in the number of the house across the street. *The eldest daughter loves chocolate.

A jeweler bought some necklaces and bracelets for $1,100. the cost of the necklaces was 20% more than the cost of the bracelets. how much did the jeweler pay for A) the necklaces? B) the bracelets?

Dave determines the meal he ordered at the restaurant contains 14% of his daily sodium intake. If the meal contains 185 mg of sodium, how many mg of sodium are in Dave's daily diet?

Which answer choice gives the correct surface area for a triangular prism with bases that are 4 cm2 and sides that are 6 cm2?

A A teacher had 56 red pens. if the ratio of red pens to blue pens she owned was 7:5 how many pens did she have total

Luke rides his bike 20 miles in 4 hours. If he rides at a constant speed, select the answers here that are equivalent ratios to the speed he rides. A: 30 miles in 7hrs B: 25 miles in 6 hours C: 10 miles in 1 hr D. 15 miles in 3 hrs

The chess club is selling drinks during the tract and field event. The club purchases water, juice boxes, and pouches of lemonade for the event. They spent $138.52 on juices boxes and $75.00 on lemonade. The club purchased three cases of water.

How much is 18 tens + 13 tens

The sugar company will choose from two companies to transport its sugar to market. The first company charges 5197 to rent trucks plus an additional fee of 175.75 for each ton of sugar.

At the start of his diet, Kerrin weighed 14 stone 8 pounds. Three months later he weighed 13 stone 6 pounds. There are 14 pounds in a stone. Calculate the reduction in Kerrin's weight as a percentage of his initial weight, correct to 1 d. p.