<span>To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the <span>expression</span></span>
Q1 shows the position of the first 25% of the data set. Since Q1 = 110, 25% of the electricians had a score of 110 or less.
Answer:
C!!!!
Step-by-step explanation:
(3/15)x=12/15
x = 4
I would take a brainliest, but its your choice
Answer:
9 students have braces
Step-by-step explanation:
honestly, you could just probably solve it mentally but we are going to make a proportion.
5*3 = 15; so you then multiply 3 by 3 and get 9 as your final answer
Answer:
99.95 %
Step-by-step explanation:
by complement
P = 1 – (1–57%)^9 = 99.95 %