How many different codes of 4 digits are possible if the first digit must be 3,4, or 5 and if the code may not end in 0?

Consider the following scenario: A teacher notices a trend in the students' grades for her midterm exam.

Which equation is equivalent to 4.5 = 2a? a = 2.5 a = 2.25 4.5a = 2 a + 2 = 4.5

Add. 28.3 + 14.62 ...

Compare the fractions. Use. 1/3 4/6

Simplify. - 14x^3 / x^3-5x^4 A) - 14/5x-1; where x is not equal to 1/5,0 B) - 14x/1-5x; where x is not equal to 1/5 C) 1-5x/-14x; where x is not equal to 0 D) - 14/1-5x; where x is not equal to 1/5, 0

What is Payment shock

Find the value of x. 4 (x-7) = 3 (9 - 1/3x)

A wheel has a diameter of 16 cm. Approximately how far does it travel in 5 revolutions? A. 502.4 cm B. 251.2 cm C. 100.48 cm D. 80 cm

85% of what number is 17

There are ten swings on the playground. Eight children are swinging on the swing. Write a decimal to show the part of swings being used.