Determine whether the lines l1 and l2 given by the vector equations are parallel, perpendicular, or neither. L1: r (t) = (-2 + 4t) i + (2 + t) j l2: r (s) = (3 + 3s) i + (2 - 12s) j

Trey is estimating the length of a room in his house. The actual length of the room is 17 m. Trey's estimate is 15 m. Find the absolute error and the percent error of Trey's estimate. If necessary, round your answers to the nearest tenth.

How do you solve 18-15 3/4

Calculate the area of a square with sides of 5 inches

Mr. Wong cuts a coil of wire into two pieces in the ratio of 3:4. The length of the longer piece is 32 centimeters. What is the total length of the coil of wire?

There are 1,920 fence posts used in a 12km strech of fence. how many fence posts are used in 1km of fence. A. 150 B. 160 C. 155 D. 180

Factor completely: x2 + 10x + 24 Prime (x + 12) (x + 2) (x + 3) (x + 8) (x + 6) (x + 4)

Which answer is the solution set in simplest form? 4x-1 over 3 = 7 over 1 a) 4 over 3 b) 7 over 3 c) 3 over 2 d) 11 over 2

A manufacturing firm just received a shipment of 54 assembly parts, of slightly varied sizes, from a vendor. The manager knows that there are only 38 parts in the shipment that would be suitable. He examines these parts one at a time. a.

Scientific notation of 6,730,000

A regular octagon has an apothem measuring 10 in. and a perimeter of 66.3 in. What is the area of the octagon, rounded to the nearest square inch?