3x+2y+2x when x = 20 and y=-3

What would be a resonable estimate for the value of m in this equation? m/6=21

A neighbor gave her 30 feet of fencing, and melody wants the length of the garden along the garage to be 3 feet more than the width. what is the length of the garden? write your answer without units.

What is 28/77 in simplest form

Type of triangles Q. What does each type mean? Write definition for each one and draw the triangle. 1) Right-angled triangle: 2) Acute: 3) Obtuse: 2) Acute: 3) Obtuse:

Knots are a unit of speed used for sailing. 1 knot is equal is equal to 1.2 miles per hour. Jesse trapped 15.0 miles by boat in 2.5 hours. What is speed in knots? Be sure to include units.

A group of scientists studied the effect of a chemical on various strains of bacteria. Strain A started with 6000 cells and decreased at a constant rate of 2000 cells per hour after the chemical was applied.

How can I tell if a triangle with side lengths 10, 24, and 26 is a right triangle?

Determine whether the statement is always, sometimes, or never true: 1) A horizontal line is parallel to the x-axis

15% of what number is 1?

Does parallel lines meet to form an acute angle?