Joyce had business cards made through a printing company. they charge an initial fee of $12 and $3.99 for each box of 100 business cards. if joyce needs 5 boxes, how much will she be charged?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²