Lavonne estimated 38% of 63 by rounding 38% up to 40%, rounding 63 up to 70, and then multiplying 70 by 0.4 to get 28. is her estimate reasonable?

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

If f(x)=-3x+2 and g(x)=-7x-2, which point represents f(x)=g(x)?

Writing proportions. no solving. write all of them ! extraaa points.