Some of the following sentences need commas separating the a…

Some of the following sentences need commas separating the adjective clause from the rest of the sentence, and some do not.  Select choice A if they do need commas and choice B if they do not. EXAMPLES: The best movie I have ever seen was Titanic.      The best movie I have ever seen was Titanic   .   My mother whom you met at the party is an engineer.      My mother, whom you met at the party, is an engineer   . Star Wars which is a science fiction movie is one of the most popular movies of all times.

Fill in the blanks with the correct form of an appropriate v…

Fill in the blanks with the correct form of an appropriate verb to use modals in the past. EXAMPLE: I arrived at the appointment late. I should    have left    my house earlier. I wonder why my friend is so late. I hope he didn’t get lost. I’ve been waiting for overan hour. He might ____________ lost.

Probability is the likelihood that an event will happen and…

Probability is the likelihood that an event will happen and can be expressed in terms of percent. For example, in Fire Science, if there is a 40 percent chance of a spot fire starting, that means that out of 100 glowing embers that fly off, 40 embers will likely start spot fires, and 60 will not. The probability of ignition is %. How many glowing firebrands landed on receptive fuel if there were 120 ignitions? Round your answer to the nearest ignition.