Answer:P=18cm/A=18cm
Step-by-step explanation:Trust me it's right
Answer:
∠TUS I'm pretty sure because t and u make a right angle
490=10·40+15x
490=400+15x
90=15x
x=6
he worked a total of 46 hours
Step-by-step explanation:
f(x) = x² + 2x - 4
g(x) = 3x + 1
f(g(x)) = f(3x + 1)
f(3x + 1) = [3x + 1]² + 2[3x + 1] - 4
= 9x² + 6x + 1 + 6x + 2 - 4
= 9x² + 12x -1
y=13
Step-by-step explanation:
y=3x-5
y=3(6)-5
y=18-5
y=13
