How many 4 - letter words can be formed using the letters a, b, c, d, e and f, if

a) the word must start with a vowel? (cannot be repeated)

b) the word should start and end with a consonant?

Carlos had $10 more than Jeremy Jeremy has $5 more than Michelle all together they have 80 what part of 100 does Michael have

Which angle forms a vertical pair with nsm a. osl b. smn c. snm d. osn

The radius of a circle is 6 yards. What is the circle's area?

Which expression can be used to represent 8 more than the product of 15 and 12?

Write a word problem that can be solved using multiplication of two digits numbers. solve your word problem and explain the solution

Freida earns $5.85s per hour. to find the amount of money freida earns working x hours, use the equation y=5.85. how many dollars does Freida earn of she works 2.4 hours?

Determine the mean, median, mode, and midrange for this collection of class test scores: 88 82 97 76 79 92 65 84 79 90 75 82 78 77 93 88 95 73 69 89 93 78 60 95 88 72 80 94 88 74 a. Mean is 84, median is 82, mode is 82, midrange is 77 b.

In a cohort of thirty graduating students, there are three different prizes to be awarded. if no student can receive more than one prize, in how many different ways could the prizes be awarded?

Simplify the expression: 4 (2x-12) + 60+5x

What is 15x plus 6x?