If sin 30º = cos (2x), then x=

The employees from maintenance go for coffee together every day at 9 AM. On Monday, Hector paid $5.45 for three cartons of milk, four cups of coffee and seven doughnuts. On Tuesday, Guillermo paid $5.

The ratio of alls weight to bobs weight is 4:5, the ratio of bobs weight to lunas weight is 6:7, what is the ratio of alls weight to lunas weight?

Find the prime factorization of 900 and 212

Sweets are sold loose, or pre-packed in 120g bags. The 120g bags are?1.49 each. The loose sweets are?0.89 for 100g. By calculating the price per gram, determine which is better value.

What is the multiplicative inverse 7/8

A 2-mi cab ride costs $1.70. A 7-mi cab ride costs $3.70. Find a linear equation that models cost c as a function of distance d. a. c = 0.53d + 0.90 c. c = 0.85d + 2.00 b. c = 0.40d + 0.90 d. d = 0.40c + 2.00

Josh sold 4 more boxes of candy for the school fundraiser than Jenny. The sum was 22 of the boxes they sold. How many boxes did they each sell?

Tom viaja 60 millas por hora yendo a una ciudad vecina y 50 millas por hora regresando usando la misma carretera. condujo un total de 5 horas ida y vuelta cual es la distancia desde la casa de Tom hasta la ciudad que visitó?

If x=3 what is the value of the expression - 2x (2 x^3+3x^2-5x)

Factor completely x 3 + 2x 2 - 15x