In ΔPQR,
P
R
‾
PR
is extended through point R to point S, m∠PQR =
(
2
x
+
14
)
∘
(2x+14)
∘
, m∠QRS =
(
9
x
−
8
)
∘
(9x−8)
∘
, and m∠RPQ =
(
2
x
+
8
)
∘
(2x+8)
∘
. Find m∠QRS

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Solve the equation for b: a= (1/2)(b)(h)

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220