10 ercise 145 Tawish is .x years old now a) How old was he7 years ago? b) How old will he be in 15 years from now c) IThis age in 15 years time will be the times his age 7 years ago, how old is he now? ​

Point e(−5, 3) and point d(−4, −3) are located on the grid. which measurement is closest to the distance between point e and point d in units? a) 6.1 units b) 6.3 units c) 6.5 units d) 6.7 units

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Plz ( true - false) all triangles have interior angles whose measure sum to 90.