What's x+15=83 I can't do it I've trued so much and I keep grin a different answer

Describe the relationship between the number of feet and numbers of yards

Xyz are in 3:3:6. what are the measures of the angles

A soup recipe calls for 4 cups of water express what part of a gallon this is in decimal form

881 x 599 how do you break this down

At the beginning of each school year, Ms. Thomas gives a certain number of pencils and notebooks to each student in her class. Each student receives the same number of pencils and the same number of notebooks.

Naomi played her guitar for 18 hours this week. she played songs she already knew for 6 hours. she spent x hours learning a new song. the equation x 6 = 18 models this situation. how many hours this week did naomi spend learning the new song?

Solve for x in the equation x2-12x+59=0.

A fossil is found that contains 10% of the amount of carbon - 14 found in a living being. About how old is the fossil? A) 19,200 years B) 15,300 years C) 17,600 years D) 20,700 years

A train travels 132 miles in 3 hours. What is its average speed in miles per hour?

Find the surface area of a grapefruit with circumference of 14 cm