PLEASE HELP ON TIMMER!!! Which statement describes the solutions to x2 - 49 = 0?

There are two real solutions because 49 has two real square roots.

There are no real solutions because the square root of -49 is not a real
number.

There are two real solutions because all quadratic equations have two
solutions.

There is one real solution
because 49 is a perfect square.

Which of the following is the shape of a cross section of the figure shown below

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?