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Overview
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Question Progress
a)
Homework Progress
47179 Marks
A group of students were given a spelling test.
The table shows their marks.
Mark
Frequency
b)
6
5
a) Work out the range of the marks.
c
7
4
8
7
b) How many students are in the group?
9
10
c) Work out the mean mark of the group.
10
4

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Ten times the square of a non-zero number is eqaul to ninety times the number

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.