Answer:
4:8
Step-by-step explanation:
The 1 from the 1:2 is being multiplied by 4 for the 4:_, so the 2 from the 1:2 must also be multiplied by 4. 4 x 2 = 8
The slope of the line can be calculated as:
(1-7) / (10-1) = -6 / 9 = -2/3
A) because if the student enters a pizzeria, get most likely prefer pizza. Surveying in a pizzeria would just get inaccurate results since people would be biased.
Step-by-step explanation:
solving functions separately.
1st: from given data taxi charges $1.00 for the first mile.so it is first rule of function.

2nd: the company charge $0.20 per tenth of a mile.so 2nd rule of the function will be

simplifying


, 
piece wise function is f(x)={2 , 0<x<1
{x , 1<x<2
the graph of the function is given below