The following number sentence is

(8 ÷ 5) ÷ 2 = 8 ÷ (5 ÷ 2)

a.
true, because division is commutative
b.
true, because division is associative
c.
false, because division is not associative
d.
false, because division is not commutative

What is the inverse of the function f(x) = 2x + 1?

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.