Find the solution to the system 9x-4y=-13 and 9x-2y=-20

Sam's father gave him 49 biscuits to give to their three dogs Alice Joe and Mickey Sam must divide the biscuits according to the size of the dog Joe needs to get twice as much as Alice and Mickey needs to get twice as much as Joe how many biscuits

Determine the magnitude of the sum of the two vectors: 2.5i+1.8j; - 6i-0.7j

Your family starts lowering their monthly bills every month. After 2 months, your family will pay $734.90 in monthly bills. After 8 months, your family will pay 678.

If d = the number of dogs which variable expression represents the phrase below

In 1 minute alex can type 44 words at the same rate how long would it take him to type 176 words

The upper arm length of females over 20 years old in a country is approximately Normal with mean 35.8 centimeters (cm) and standard deviation 2.5 cm. Use the 68-95-99.7 rule to answer the following questions. (Enter your answers to one decimal place.

The radius r (cm) of a circle is related to time t (seconds) by the equation r=0.4t + 1.5. (a) Calculate the initial value of the radius. (b) Find the rate of change of r.

Write in expanded form six hundred twenty six and fourteen thousandths

If a family of four produces three bags of trash each week how many of the same size bags of trash would you expect a family of 6 to produce each week

A plumber has 28 feet of PVC pipe that he wants to cut into sections that are 2 1/3 feet long. How many sections of pipe will the plumber have in all?