SAT math practice question

(x2y -3y2+5xy2)-(-x2y+3xy2-3y2)

3x+4y=-23 2y-x=-19 what is the solution (x,y) to the system of the equation above?

if 16+4x is 10 more than 14 what is the value of 8x

if t>0 and t^2 what is the value of t?

for a polynomial p(x) the value of p(3) is -2. which of the following most be true about p(x)

what does the c-intercept represent in the graph?

If x-1/3=k and k = 3, what is the value of x ?

For i = the square root of -1 , what is the sum (7 + 3i) + (−8 + 9i ) ?

g(x)=ax^2+24 the function g defined above a is constant and g(4)=8.what is the value of g(4).

for what of n is [n-1]+1 equal to 0?

which of the following represents the relationship between h and c?

which of the following air temp will be the closest to 1,000 feet per second?

if 3x-y=12 what is the value of 8x/2y