One fifth of a number is equal to triple that number less 28. Let the unknown number be x. Write this word problem as an equation using the variable x.

Will mark brainliest question in the pic.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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°