If the dimensions of the rectangle are tripled, which expression can be used to find the
perimeter of the dilated figure?

A 4(3) + 9(3)

B 4(3)•9(3)

C 2•4(3) +2.9(3)

D 2•4(3)•2•9(3)

Find the value of x for which line a is parallel to line b

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?