What is the meaning of the expression 4 x (85 + 123)? the expression is twice as much as (85 + 123)
the expression is worth 4 times as much as (85 + 123)
the expression is worth 4 times less than (85 + 123)
the expression is 4 more than (85 + 123)

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

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.