2x + 3y linear or quadratic

Abag is filled with green and blue marbles. There are 49 marbles in the bag. If there are 17 more green marbles than blue marbles find the number of green marbles and the number of blue marbles in the bag.

Using trig identities, prove the equation shown below. sec (x) - sin (x) tan (x) = cosx Hint: Work on the left side of the equation and do not manipulate the right side of the equation.

What is the exact circumference of a circle has a radius of 50 cm

Hi had $70 of credit at an electronics store. He bought a package of DVDs for $20, a computer mouse for $17 and a program ig book for $15. How much stir credit does hi have left

Solve for x in each diagram below. 35 degrees, 75 degrees, and it's a triangle what is the missing number for x?

The sum of two numbers is 90. their difference is 12. what are the numbers?

Stat crunch in a random sample of 200 adults, what is the probability that less than 33 % have no credit cards?

There are 2.54 centimeters in an inch. when using this conversion factor, how many significant figures are you limited to?

How many 4 letter words can be formed from the alphabets?

What is the common factor of this term 6xy^2 = (3x) (?)