What is an equation of the line that passes through the point (-4,5) and is perpendicular to the line 4x + y = 7?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18