Is the equation 2x + 5 = 1 true, false, or open? Explain. A. True, there is an equal sign
B. False, it has a variable
C. Open, it has a variable

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

The measure of an angle is 117°. what is the measure of a supplementary angle?