Answer:
90 degrees since its vertical angle
Step-by-step explanation:
Measure of spread is used in describing the variability in a sample.
Examples of measure of spread are: Mean, Median and Mode.
A measure of spread helps in giving an idea of how well the mean, or mode, or median, whichever of the three measure of spreads we use, represents the data under consideration. If the spread of values in the data set is large, that means there a lot of variation between the values of the data set. It is always better to have a small spread.
.10x + .05y = 4.50
x + y = 30
Is the formula
I think there are 3 terms. since this is an expression the meaning of "terms" is asking what's being added or subtracted.
Answer:
it is not a right triangle because 130 does not =121
