85,109,178 in world form

Yesterday, Deandre had d baseball cards. Today, he got 13 more. Using d, write an expression for the total number of baseball cards he has now.

One drawer in a dresser contains 7 blue socks and 7 white socks. a second drawer contains 5 blue socks and 1 white socks. one sock is chosen from each drawer. what is the probability that they match? express the answer in decimals.

The difference between two numbers is 77. Five times the smaller is equal to 7 more than the larger. What are the numbers?

Explain how you would find 12 x 18 using the Distributive Property.

Your parents allow you to borrow a car to get to your part-time job, but you have to pay for a tank of gas each month. Gasoline costs $2.76/gallon and the tank takes 15 gallons.

If m∠1 = 105 and m∠4 = 115, then m∠6 = 40 50 60 75

A machanic earns $17.25 an hour. The president of the company earns 6 2 - 3 times as much For each hour he works. The janitor at the same company earns 3 - 5 as much as the mechanic.

Estimate the quotient to the nearest whole number by using compatible numbers 32.49 / 4.26?

james took a trip to europe. Upon leaving he decided to convert all of his Euros back into dollars. How many dollars did he receive if he exchanged 47 Euros at a rate of $9.70 for 1 Euro?

Martina, Hong, and Felipe sent a total of 91 text messages over their cell phones during the weekend. Hong sent 9 more messages than Martina. Felipe sent 2 times as many messages as Hong. How many messages did they each send?