What is the sum of 3 tens and 9 hundreds?

Alex has 60 dolls she does not play with that much. She decided she wants to donate 30% of her dolls to an orphanage to others who will enjoy them. How many dolls will she donate?

Christine made $60 for 5 hours of work. At the same rate, how many hours would she have to work to make $156?

A to the 5th power times a to the - 3 power

A child lies on the ground and looks up at the top of a 14-ft tree nearby. the child is 7ft away from the tree, what is the angle of elevation from the child to the top of the tree? round to the nearest whole number?

Identify holes in the graph of the function. f (x) = x6/x In the function, there is a hole at x = ? Will mark brainliest

For the polyhedron, use Euler's Formula to find the missing number. faces edges: 8 vertices: 5

The original price was $12, increased to $15. Find the percent increase

four times the smaller of two consecutive odd integers is the same as 67 less than 5 times the larger integers

True or false: given that there are only 10 different possible samples of size two that can be selected from a population of five values, the sampling distribution of the mean would be composed of the means of these 10 samples.

The sale price for a bicycle is $89.90. the sale price includes a discount of 20%. what is the original price of the bicycle