Answer:
Step-by-step explanation:
x^2 + 7 = 23
x^2 = 16
√x² = √16
x = 4
Answer:
90
Step-by-step explanation:
60/100=x/150
180/300=2x/300
2x=180
x=90
well, let's grab a couple of points off the line hmmmm let's see, the lines runs through (0, 4) and also (3,5), so let's use those to get its slope and thus its function.
It's 35, I dont really need to work it out I know how to do it in my head lol but if you would like me too I will :)