Use an integer to represent the value in the statement a climb of 149 feet up a shear mountain cliff

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?