Shelley spent 17minutes washing the dishes. she spent 38minutes cleaning her room. explain how you can use mental math to find how long shelley spent on the two tasks?

N+1/2=7/4 What is N?

Evaluate m - n when m = - 1.5 and n = - 7.7. A. -9.2 B. -6.2 C. 6.2 D. 9.2

Two pipes can fill a tank in 98 98 minutes if both are turned on. If only one is used, it would take 29 29 minutes longer for the smaller pipe to fill the tank than the larger pipe. How long will it take for the smaller pipe to fill the tank?

N the balmer-rydberg equation, what value of m is used to determine the wavelengths of the balmer series? express your answer as an integer.

Find the probability of picking a diamond from a standard deck of playing cards which has 13 cards in each of four suits: spades, hearts, diamonds and clubs. Enter your answer as a simplified fraction. The probability of picking a diamond is

The numbers of chocolate chips in 7 cookies are shown. 5,7,7,9,12,16,21 What is the mean number of chocolate chips for these 7 cookies?

The length of rectangular hall is 3 meters more than double of its breadth. If it's perimeter is 66 meters, what is its length?

You wake up at 6:50 a. m. and spend 30 minutes getting dressed. you have a 20 minute walk to school. what time do you arrive at school?

How many solutions are there to - 46=3x+7x

At Michael's Craft Store, the paiat set that you want is aormally $26. It is currently on sale for 10% off. Also, you have a coupon for an additional 40% off, which can be used after all other discounts have been applied.