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

A sphere with a circumference of 42" has the volume of what

You and a friend play a game twice. what is the probability that you win both games? P (win) = 1/2

At an international conference, flags from 8 different countries will be displayed. Of these flags, 4 are from the continent of Africa and 4 flags are from the continent of Europe. The flags will be displayed in a row, alternating between continents.

A warehouse received 250 orders in april, and 300 orders in may. what was the percentage of increase in orders from april to may?

Show me all the answers for 26000 in expanded notation

1 a. Rhian measures the height of one of her tomato plants as 20 cm. Next week it is 15% taller. What is its new height? 1 b. Another tomato plant grows from 240 cm to 312 cm. Calculate the percentage change in height.

Order these numbers from least to greatest. 1.5, 1.403, 1.43, 1.4312

What is the set of all possible outcomes of a probability experiment?

In this equation, is 6 a standard number. n + 6 = 20

Unoccupied 25 story towers sold for 3/4 off their original value. If the towers sold for 16 million what was the original value