Xy = 6

| 2x - y = 1

Solve each system by substitution

A lithium atom has positively charged protons and negatively charged electrons. The sum of the charges represents the charge of the lithium atom. Find the charge of the atom

Solve the following - 7x+5=8x-25

Round to the number 374,590 to the nearest ten thousands place

What is the solution to 7x-3 (x-6) = 30

How to divide 33 photos into two groups so that the ratio is 4 to 7

A family pays $45 each month for cable tv. The cost increases 7%. How many dollars is the increase? What is the new monthly cost?

The circumference of a large crater is about 219 m. what is the radius of the crater?

A rectangular pen is made with 100 m of fencing in three sides. The fourth is a stone wall. Find the greatest possible area of such an enclosure.

Simplify - 2 (v+5) + 5 (4v-2)

Find the square root of 156.25 by division method