Why can't the coefficient of x and y be zero

What is an acute angle?

True or False? If a distribution of observations that are all negative numbers has the five-number summary shown below, then, because all the values are negative, the maximum observation in the data set is - 53.-53, - 39, - 29, - 21, - 5

18 What is the value of x? O 3 10 2y + 4 10 + 2x 000

Eight less than fout times a number is less than 56. what are the possible values of that number

The star aldebaran, visible from earth, lies about 65 light years away from us. What is the minimum amount of time that would be required to send a message to aldebaran and revive a replay (assuming someone was there to revive it and respond)

How do you solve an equation like 2+6+7+20x

Which set of side measurements could be a triangle? Select two answers. A. 36 in., 48 in., 60 in. B. 6.2 mm, 5.7 mm, 9.4 mm C. 20 ft, 20 ft, 50 ft D. 1.3 cm, 4.3 cm, 8.3 cm

Kevin and randy muise have a jar containing 65 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $ 8.45. how many of each type of coin do they have?

Solve this inequality: 8z + 3 - 2z < 51 A. z < 9 B. z < 14 C. z < 8 D. z < 5.4

8-i3-2i If the expression above is rewritten in the form a+bi, where a and b are real numbers, what is the value of a? (Note: i=-1)