Ateacher needs to choose seven students to hand out papers. the total number of ways he may choose the students can be found using a combination.
a. true
b. false

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w