What math problem equals 19?

Is 1.45 larger than 1.8? What is 775 divide by 29? What is the perimeter of a circle with a diameter of 8? Who prayed prayer of petition in the bible? What is the perimeter of 1.25 miles by 4.56 miles? Are a Rhombuses sides all the same length? What is the width of angle falls? How do find the 5th harmonic of 14.2Mhz? Is a reflection and traslation in math the same? What number do the numberon the horizontal axis represent in math? How many acres 125 feet by 375 feet? Is there a relationship between the number of lines of symmetry a shape has and rotational symmetry? What place value is 40.23210? Why there is no year zero in our calendar? How is wheat measured By the bushel or by the ton? What are all the prime numbers all the way up to 1000? What is the most 800 can be round to? How do you use triangles in the real world? What is 39x5? What is the opposite arrive?