Why does a negative disciminant indicate this number of real solutions

The temperature dropped from 80°F to 70°F. what is the percent drop in temperature?

Find the missing x - and y-values and Pythagorean triples can be generated using the identity given. Write the triple in parentheses, without spaces between the values, with a comma between values, and in order from least to greatest.

Maya has 2, 800 baseballs. She has to pack the baseballs into boxes and put exactly one dozen in each box. After filling as many boxes as she can, how many baseballs will she have left over?

What is the full solution of the system by using the substitution method: 3x+y=10 y=6x+1

In a cooking contest, the mean score for taste was 20, with a standard deviation of 2.8. One of the contestants received a score of 14. Convert this score to a z score and tell if it is "usual" or "unusual."

The temperature increased from 58.7°Fto 92.6°F. find the difference between the two temperatures in degrees Fahrenheit?

A truck holds 48,000 pounds of sand. How many tons are in 48,000 pounds? Enter your answer in the box. T

I deposited 800 in my account a year later i get 56dollars in my account at what rate of intrest was i paid on my savings

If m1=40, find the measure of m7

What is a description