Find equation of sphere though the circle, x2 + y2 + z2=1, 2x + 4y+5z = 6 aud touching the plane z=0

Acircle has a circumference of 28.36 units what is the diameter of the circle

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.

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?