Work out the value of 3x + 2y when x=4 and y=-5

Convert 512 into qunary number system

Two arcs of a circle are congruent if and only if their associated chords are congruent. True or False.

What is the product of 5/8 and 3/4?

Is x = - 2 - 1 3 6 and y = -3 0 8 11 linear or nonlinear

Mr. Nowling's garden has a length that is 7 feet more that twice the width. Draw a diagram to represent this situation. Label each side of the garden, and then write an expression for the perimeter.

Determine whether each sequence is arithmetic, geometric, or neither. explain. 7,13,19,25, ...

Simplify: 7 (-8y) + 4 (-6+6y)

Southwest Dry Cleaners believes that it will need new equipment in 7 years. The equipment will cost $26,000. What lump sum should be invested today at 6%, compounded semiannually, to yield $26,000? a. $ 17,189.06 b. $ 23,243.29 c. $ 21,091.71 d.

6a^2 - 12a equals what

A box contains 3 black pens, 7 blue pens, and 5 red pens. She pulls a red pen, puts it back, pulls a blue pen, puts it back, and then pulls a black pen and uses it. P (red, then blue, then black)