(03.01 lc)

in triangle stu, u2 = s2 + t2.
which equation is true about the measure of the angles of the triangle?

the measure of angle stu is equal to 100 degrees
the measure of angle sut is equal to 90 degrees
the measure of angle stu plus the measure of angle tsu is equal to 80 degrees
the measure of angle stu plus the measure of angle tsu is equal to 70 degrees

Jackie bought a bag of oranges. she used 3/8 of the oranges to make orange juice. she used 1/3 of the oranges to make a fruit salad. she put 1/8 of the oranges in a bowl on the table. she put 2/12 of the oranges in the refrigerator. a) jackie left more oranges on the table than she put in the refrigerator. b) jackie used fewer oranges to make orange juice than she left on the table. c) jackie put fewer oranges in the refrigerator than she used to make the fruit salad. eliminate d) jackie used more oranges to make a fruit salad than she used to make orange juice.

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?