Which systems of equations have an infinite number of solutions?

Choose all answers that are correct.

a) y=3x+1

-3x+y=1

b) x=-2

x=7

c) y=-x

=-x+4

d) x+y=5

y=5-x

Myriah wants to use dimensional analysis to find out how many centimeters (cm) are in 1.4 meters (m). Which of these equalities will be useful for this calculation? 2.54 cm = 1 in. 1 m = 39.37 in. 1 cm = 10 mm 100 cm = 1 m

Gavin goes to the market and buys one rectangle shape board. The length of the board is 16 cm and width of board is 10cm. If he wants to add a 2cm wooden board around the board, what will be the area of the rectangle board?

Explain how you can use a model to find 4X 3/8. Include a drawing and a solution

Let T denote the time it takes for a computer to shut down. Suppose T follows an Exponential distribution with mean 10 seconds A computer lab has 10 independent computers that must all be shut down at the end of the day.

Marcus dives from the surface of the ocean to a reef 18 M below sea level what integer represents Marcus's location relative to the surface how far does Marcos have to go to return to the surface

Anthony decided to buy two DVDs that we're not included in the deal. His price was $21.60. The sales tax is 8 percent. What was the cost of the two DVDs before the sales tax was added?

Evaluate h (0). what does this value tell you? Explain in the context of the problem

How did or do other cultures measure their years and what year is the current year for those calendars?

Write the equation of the line that goes through the coordinates (1,-1) and (0,-3)

If x + y equals - 1 what is y?