6 / 88 = 21/x
cross multiply
(6)(x) = (21)(88)
6x = 1848
x = 1848/6
x = 308 <==
The tangent secant theorem says
PR × PS = PQ²
4 × (4+5) = PQ²
36 = PQ²
PQ=6
Answer: 6
Answer:
m=

Step-by-step explanation:
Slope of a line is the co efficient of x in the given line.

Answer:
angle b is 30 degrees
Step-by-step explanation:
a right angle is 90 degrees so you can do 90 -60 witch gets you 30 degrees
Answer:
(c) the sample is amount of sleep the volunteers got in the study.
Step-by-step explanation:
sample: this is a small part that is intending to show what a big part is all about.
volunteer: a person who does something willingly.