How do I solve for x?2x+5=45

Which is bigger 15%or 1/5?

A mixed number greater than 12/4 and less than 15/4

42km in 180 minutes how many km per hour

Describe and correct the error in identifying the like terms in the expression 3x - 5 + 2x*2 + 9x = 3x + 2x*2 + 9x - 5 like terms:3x, 2x*2, and 9x

Quadrilateral PQRS has vertices P (-3, 2), Q (-1, 4), and R (5, 0). For each of the given coordinates of vertex S, determine whether the quadrilateral is a parallelogram, a trapezoid that is not a parallelogram, or neither.

The heights of women aged 20 to 29 are approximately normal with mean 64 inches and standard deviation 2.7 inches. men the same age have mean height 69.3 inches with standard deviation 2.8 inches.

Write this number in expanded form 208,000,478

How do fine the volume of a cone

Where do the lines modeled by the equations y = -7.8x+1.4 and y - 3.4x + 1.2intersect

Which situation could NOT represent a proportional relationship? A) The amount an employee who makes $13.50 per hour in h hours. B) The cost of purchasing p pounds of bananas for $0.39 per pound.