PLEASE HELP Negative space is used for emphasis into separate text and graphics

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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?

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?

The height above the ground (in feet) of a ball dropped from the top of a 30-foot-tall building after t seconds is given by the polynomial: ? 16t^2+30 what is the height of the ball after 1/2 second?