find 2 different ways to make the addition problem work. each letter stands for the same digit 0 to 9 whenever it is used

Evaluate when y=4 and 1 = 2 xy + 2x2

What are nonzero multiples of 4

The combined ages of a family of six amount to 103 years. the two youngest are 2 and 6 years of age. what is the combined age of the family 5 years ago?

Your mom gave you a bicycle on your birthday. The original price of the bicycle was $150. The shopkeeper offered a discount of 20%. What was the amount payed by your mom?

In the set 4, 5, 6, 7. The media is

How many 1/3 are in 4 wholes

A triangle has side lengths measuring 3x cm 7X cm centimeters and h cm. Which expression describes the possible values of H in cm?

The paint used to make lines on roads must reflect enough light to be clearly visible at night. Let μ denote the true average reflectometer reading for a new type of paint under consideration.

What is the solution of 3x + 5 = 2x - 7?

there are 27 small cubes arranged in a 3 by 3 by 3 cube. The top and sides of the cube are painted red. How many of the 27 small cubes have 0 faces painted? 1 face? 2 faces? 3 faces? 4 faces? 5 faces? 6 faces?