Step-by-step explanation:
(secx-tanx)(secx+tanx)
=sec^2-tan^2
=1
Answer: -28 degrees Celsius
Step-by-step explanation:
-20 - 8 = -28
Answer:
609
Step-by-step explanation:
ratio of teachers to students at Priory School =2:27
Let X= total number of both the students and the teacher
Ratio of teacher=( 2/29)X
Ratio of student is (27/29 )X
But total number of teacher = 42
2/29 ×X =42
2X= 42×29
2X=1218
X= 609
Hence, school's total population is 609
it will be C
Answer:
C = 20b + 150
Step-by-step explanation:
because it's 150 for a ticket for each 20 bags. depending on how many bags there are, it wi give you the answer of the cost.
