Answer:

Step-by-step explanation:

I hope that uesful for u :)
Answer:
<B = 15
Step-by-step explanation:
A triangle adds up to 180 degrees.
Since these triangles are similar, the sides are located in the same spot. (A is in same spot as D, etc.)
A=75
F=90
75 + 90 + x = 180
165 + x = 180
x = 15
Answer:
9 students on the committee are males
Step-by-step explanation:
As per the statement:
There are 15 students on a yearbook committee.
⇒Total students on a yearbook committee = 15
⇒
....[1]
It is given that:
40% of the students are females
⇒
Substitute in [1] we have;

Subtract 6 from both sides we have;

Therefore, 9 students on the committee are males
Answer:
155
Step-by-step explanation:
15 x 5 = 75
230 - 75 = 155
Hope this helps!
Answer:
5r
Step-by-step explanation:
(8r + 5) - (3r + 5)
8r + 5 - 3r - 5
5r