Which of the following situations can be represented by the expression 3n – 15 ? Select all that apply. ​

What is sin 7x/4 ? i need on this urgent trig

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.

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar