Dan had 42 books in his library. he bought several books at a yard sale over the weekend. he now has 58 books in his library. how many books did he buy at the yard sale? write a equation to solve each problem then solve the equation

Traci collects money for a dance marathon. One group of sponsors donate $6 per hour she dances. Another group donates $75 no matter how long she dances.

One lap around the lake is 710 mile. Dasha runs 9 laps around the lake. Use the drop-down menus to complete the equation

The difference of X and the number is six what is the other number

Derivative of f (x) = 8x+7

Wharts the differences between a dialation and a reduction in geometry?

Ryan bought 36 cupcakes at the bakery. He was given an additional 8 cupcakes for being a valued member the bakery is packing the cupcakes by placing 6 in each box. How many boxes will the bakery need?

Eighty-three thousand, nine hundred two in standard form and expanded form

Which equations model this problem? A recipe that makes 1 serving calls for 0.25 L milk. How many servings can Rohit make if he uses 2 L of milk? Use s for the number of servings. Choose all answers that are correct. A. 0.25: 2=s B. 0.25·s=2 C. 2:0.

What is the value of y that makes the equation y+2.9=11 true?

Thomas earns x dollars each week walking his neighbor's dog. He also earns $10 allowance each week. Which expression represents the amount of money Thomas has earned after 4 weeks? Select each correct answer.