Which of the following are true statements about the expression -7 + 7 1.the expression describes the number that is 7 to the left of -7 on the number line 2.the expression describes the number that is 7 to the right of -7 on the number line. 3.the expression equals -14 4. the expression equals 0. chose all answers that apply

Pranza plotted point a in the coordinate plane below.

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

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.