How to use substitution for 4x+3y=13 and x+y=4

What two factors of 10 have a sum of - 7? A. - 1 and - 10 B. - 2 and - 5 C. 2 and 5 D. 2 and - 9

If f (x) = 3x^2 and g (x) = 4x^3+1 what is the degree of (f*g) (x) 2 3 5 6

How many different 5 -letter radio station call letters can be made a. if the first letter must be Upper C comma Upper X comma Upper T comma or Upper M and no letter may be repeated? b.

What does intersecting mean

Justin used 42 centimeters of tape to wrap 14 presents. How many presents did Justin wrap if he used 45 centimeters of tape? Solve using unit rates. __ presents

80% of what number is 24

Solve the system of linear equations below. 4x - 3y = 17 5x + 4y = 60

It took jack 4 and half minutes to do 100 multiplication facts how long it takes him to do 150

Mariana graphs the function ƒ (x) = x3 - 4x2 - 3x + 18 and sees two zeros: - 2 and 3. Since this is a polynomial of degree 3 and she only sees two zeros, she determines that the Fundamental Theorem of Algebra does not apply to this equation.

Zach made a batch of cookies with 2/7 of a pound of butter and 2/9 of a pound of sugar. How much more butter than sugar was used?