Kari measures thirty-eight and ninety seven hundredths kilograms. What is her mass in standard form? Please help

Given right triangle xyz, which correctly describes the locations of the sides in relation to

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.