53-57/2= -4/2= -2
Jordan scored 2 Standard deviation below the mean
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Answer:
linear equation has two variables doesn't involve any power
quadratic equation involves one of the variables raised to the second power.
Step-by-step explanation:
A <u>linear equation</u> in two variables doesn't involve any power higher than one for either variable. It has the general form Ax + By + C = 0, where A, B and C are constants. ... A <u>quadratic equation</u>, on the other hand, involves one of the variables raised to the second power.
Answer:
A
Step-by-step explanation:
- to find x we use tan 60 = x/7
- rearrange, tan60*7 = x, x = 
- now you have two sides so you can use pythagoras to find z
y^2 + x^2 = z^2
z = 
z = 14
Answer:225
Step-by-step explanation:
