Answer:
the pair of triangle which can be proven congruent by SAS is
C,.
Hope it helps :)
Step-by-step explanation:
Answer:
(x + 2)(x + 9)
Step-by-step explanation:
when given a trionomial, you must multiply the last term (18) by the first term's coefficient.
1 * 18 = 18
then, expand the polynomial by finding two factors that SUM to the middle term's coefficient (11) and MULTIPLY to 18. these factors are 9 and 2.
9 * 2 = 18 and 9 + 2 = 11
expand the equation using these
x² + 9x + 2x + 18
factor by grouping
(x² + 9x)(2x + 18)
x(x + 9)2(x + 9)
remove one of the COMMON parenthetical factors (one factor will have an identical factor, in this case (x + 9))
(x + 2)(x + 9) are left.
The relative frequency of students who are not seniors at this high school will be 82.96%.
<h3>How to find how much percent 'a' is of 'b'?</h3>
Suppose a number is 'a'
Suppose another number is 'b'
We want to know how much percent of 'b' is 'a'.
Then, it is calculated as:
P = a/b × 100
A local high school has 1,203 students with 367 freshmen, 382 sophomores, 249 juniors, and 205 seniors.
Then the relative frequency of students who are not seniors at this high school will be
P = 998/1203 × 100
P = 0.82959 × 100
P = 82.959%
P ≈ 82.96%
Learn more about percent here:
brainly.com/question/11549320
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