Number 4: line XZ; number 5: theory of congruent triangles.
Answer:
8 laps in 70 seconds is faster.
Step-by-step explanation:
If we divide 70/8 and 98/12 we get the following:
70/8= 8.75
98/12=8.16
8.75>8.16
The unit rate is 1 lap in 8.75 seconds and 1 lap in 8.16 seconds
(3*22)divide 6 + (28-(4)2=
31
It would be 6x^2 + 14x -12
