The FedEx delivery service charges a $20 flat fee for the first item plus $10 per additional item. Which equation correctly
models the total cost of a delivery of x additional items?

10x+20

Step-by-step explanation:

I'm not 100% sure on this.

. + λrh() e 1 1 2 4 4 4 4 4 3 4 4 4 4 4 + th−1(− s(x)2 dx ω + λrh−1() e 2 1 2 4 4

step-by-step explanation:

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)