If two halves of two whole 1/2 are added to two whole 1/2 the result is

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?