What is the probability of flipping 3 coins on the same side, that is getting either all heads or all tails? write the exact decimal answer without rounding.

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Is it greater than or less than7*3_9*2

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?