Choose the 2x + 4y = 0 7x − 6y = −24
2x − 4y = 0
7x + 6y = −24
2x − 4y = 0
7x − 6y = −24
2x + 4y = 0
7x + 6y = −24system of equations that matches the following graph? (PLS HELP!!)

Lassify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(−6x − 3) linear function; linear term: −21x; constant term: −6 linear function; linear term: −18x2; constant term: −6 quadratic function; quadratic term: 6x2; linear term: 24x; constant term: −6 quadratic function; quadratic term: −18x2; linear term: −21x; constant term: −6

What is sin 7x/4 ? i need on this urgent trig

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.