Which systems have infinite solutions? Check all that apply.

y = 0.5x + 2.75 and 2y = x + 2.75

y = 0.5x + 2.75 and y - 0.5x = 2.75

y = 0.5x + 2.75 and 0.5x + y = 2.75

y = 0.5x + 2.75 and y = 0.5 (x + 5.5)

y = 0.5x + 2.75 and y = - 2 (-0.25x) + 2.75

What does an r value of - 1 represent in correlation?

If the trends in this table continue, after how many years y will the population of Manchester, NH be more than the population of Vallejo, CA? Round your answer to the nearest tenth of a year

What times what equals 1996

What is 6 times negative 2

Show the work for The ratio of boys to girls in class 6f is 3:2. If there are 30 students in the class, how many of them are boys and how many are girls

Nadia puts $500 int a savings account. at the end of 1 year, she had earned $30 in intrest. What intrest rate was the bank paying

4th grade math patterns 18250, 18500, 19000, 20000 what's the next number?

3.871 round decimal to the underlined place value

You are interested in determining the effects of a recent coupon promotion on customer purchases at a local grocery store. You sample of 50 customer receipts one day after the coupon is distributed and find the customers' mean spending to be $97.

The function c (p) = 6⋅2p-1 represents the number of circles on page p in an artist's book. What does the value 6 represent in this situation? A) There are a total of 6 pages in the book. B) There are 6 circles on the first page of the book.