What is the sum of the arithmetic sequence 149, 135, 121, ..., if there are 28 terms? (1 point)

The figure above shows the lengths of thesides of a rectangle in cm. find the valuesof x and y and then the area of the rectangle.sides: top= 3x - yleft= 3y + 4bottom= 2x + yright= 2x - 3 use both methods, elimination and substitution, if possible.

Given abcd ac=38 and ae=3x+4 find the value of x

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.