Answer:
13
Step-by-step explanation:
If he reads 119 pgs in 7 days that mean 119/7 = 17 he reads 17 pgs per day
next 340-119 = 221 then 221/17= 13
b
Step-by-step explanation:
5+5=10
$1.50 +1.50=$3.00
Answer:
tana + tanb
Step-by-step explanation:
Using the trigonometric identities
• sin(a + b) = sinacosb + cosasinb
• tanx =
, then

= 
=
+ 
=
+ 
= tana + tanb
N6+5=n-10
n6=n-15
n5=-15
n=-3
hope this helps:)