Question

21. Solve: 3(t - 3) = 5(2t + 1)
22. Find three rational numbers between 2/3 and 4/5
25. Two adjacent angles of a parallelogram have equal measure. Find the measure of each of the angles of the parallelograms.
23. Find the perimeter of the rectangle ABC, AB-4cm, BC = 2 cm
24. Find the smallest square number that is divisible by each of the number 4, 9, and 10.​

Answer 1

Answer:

21. 3(t-3)=5(2t+1)

3t-9= 10t+5

3-5= 10t-9t

-2=t