All but the first statement are true.
_____
In the equation y=kx, "slope" is the coefficient of x, thus y=-3x.
=7x-x^2>8
0=7x-x^2-8
0= -x^2 + 7x -8
0=(x^2 + 8x)-(x - 8)
0=x(x + 8)-1(x +8)
0=(x-1) 0=(x+8)
x=1 x= -8
a=

The area of a pizza with a diameter of 10 inches is 78.5.
Answer:
3mm²
Step-by-step explanation:
Use the triangle area formula 1/2×base×height

19 thousands is 19 x 1000 = 19,000
7 tens is 7 x 10 = 70
19 thousands plus 7 tens is 19,000 + 70 which is 19,070.