The area of a circle is 616 m square find the radius 5 equals to 22/7 ​

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?