Three rock climbers started a climb with each person carrying 7.8 kg of climbing equipment. a fourth climber with no equipment joined the group. the group divided the total weight of climbing equipment equally among the four climbers. how much did each climber carry?

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.

Use matrices to solve this linear system: 5x1 − 2x2 = −30 2x1 − x2 = −13 x1 = x2 =

What is the expression equivalent to (3x^2-7)