a digital photo on the screen of a smartphone is 5 cm wide and 6.5 CM high after Anshu pinches the screen to reduce the size of the photo the photo is dilated to 3 cm wide and 3.9 CM High what is the scale factor of the dilation.​

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).