Mr. Mancillas want to purchase new reading books for his 21 students. • Each math book cost $57.35
He paid $13.99 for delivery
What is the total amount Mr. Mancillas paid?
CARTAN
tense
А
$1,194.75
B
$1,204.35
C
$984.99
D
$1,218.34

Can someone answer these problems for me

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Two trains leave a station on different tracks. the tracks make an angle of 130°, with the station as a vertex. the first train travels 100 km and makes its first stop at point a, while the second train travels 200 km and makes it first stop at point b. how far apart are the trains when both are at their first stop? round the answer to the nearest integer. a) 65 km b) 139 km c) 224 km d) 275 km