X+x²=30
x²+x-30=0
(x+6)(x-5)=0
x=-6 or x=5
Answer:
B and D
Step-by-step explanation:
Because only those two equations on the graphs are straight. and are increasing or decreasing in a constant pace.
hmm? Ok I don't know this or if this is old. 123
tan ( y ) = 10 / 8
tan ( y ) = 5 / 4
tan ( y ) = 1.25
y = 51.4 degrees ( approximately )