I have exams tomorrow and I don't get this question, help me if you wanna... If 9cosx° -7=1 and 0°≤ x≤ 90°, Find X.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog