Please help asap no links

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

Which levels of government establish and implement educational requirements for minors