Mr yang's daily wage was $5 more than mr chen's. although mr yang work 3 days less than mr chen, they earned $180 each. find the number of days mr yang worked

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.

Finding tbe values of the variables in each kite

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day