How many three-digit positive integers exist, all of whose digits are 2's and/or 5's?

What's the answer to (-3ab^4) ^3?

If you make $11/hr and you work 40hours weekly and taxes taken out $240 how munch did you made it total.

Determine whether each of these sets is finite, countably infinite, or uncountable. For those that are countably in - finite, exhibit a one-to-one correspondence between the set of positive integers and that set.

Find the first forth and tenth terms of the arithmetic sequence described by the given ruleA (n) = -6 + (n-1) (1/5)

Express 0.00078456 in scientific notation

In the outsiders Johnny kills a soc. A in first sight B with a gun c stabbing

For the last three months Olivia saved $75, $95, and $84. What is the minimum amount she should save next month in order to save an average of the least $90 per month for these 4 months?

Jarred wants to by a go-cart for $1,200

2.34 cm are equal to 23.4 millimeters

Write an inequality comparing - 6 and - 3