Answer:
bottom left
Step-by-step explanation:
when divideing/mult by neg number, sign flips.
4x^2+23x+15=0
Δ=23^2-4*4*15=529-240=289
x1= (-23+17)/8=-6/8= -3/4
x2= (-23-17)/8=-5
4x^2+23x+15= 4(x+3/4)(x+5)=(4x+3)(x+5)
Answer:
equilateral acute
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
my answer is 232.2 i got it by adding 50, 220, 250, 410 which would be 930 and then you divide it by 4 because that is how many numbers there are so the answer would be 232.2 that is the average.
hope this helps if that is what the question asked.
