White blood cells fight disease-producing organisms by producing

For each of the following arguments, explain whether correct reasoning is used.a.) Hanoch is rich because he doesn't pay taxes and he doesn't pay taxes because he is rich.b.) All mammals have a backbone and species A has a backbone, so it must be a mammal.c.) All mammals are warm blooded and species A is a mammal so species A is warm blooded.d.) Peter said an election will be called this spring, but he is a liar so there will be no election.

Will a mutation on the SENSE strand changes anything? During replication, it is only the ANTI-sense strand is transcribed.

The exact solutions to the quadratic equation 0 = 6x² - 9x - 3 can be written in the form x=p+q√r. What is the value of p+q+r?

how do you balance equations?

Gary is a fitness trainer who makes 30 and 45 minute appointments

with clients. Gary’s contract allows him to make up to 30 hours of

appointments in a week. State the inequality that represents all the

possible combinations of appointments that Gary can make in a

week. Graph the inequality.

A mass of 55.0kg is 225m above the ground with a velocity of 36.0 m/s. Use conservation of energy to calculate is velocity when it reaches a height of 115m above the ground. Ignore the effects of air resistance. 

Determine the amount of work that must be done to accelerate a 820kg car from 10m/s to 30m/s

An electrochemical change occurs when a strip of nickel is immersed in an acidified solution that contains dichromate ions.