What was the date the declaration of independence signed?

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

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?