Verizon charges $35 flat fee for unlimited calling plus $0.30 per text message. Dennis was charged $78.80 in February. How many messages did Dennis send?

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?