What is the answer to 2 fifths plus two tents?

Mobil 80-90 gear lube rating? What is the value of a 1983 US proof set? Normal distributions are asymmetrical and bell-shaped? The number 843243 is divisible by 9. What is the missing digit in the number? What quadrilateral does not have rotational symmetry and diagonals are not perpendicular? What is 15 plus 30 plus 72? What state reads the same when written vertically down the page in block capital letters and viewed in a mirror? 1986 was 1986 a leep year? Which numbers between 30 and 40 have the greatest number of factors? Is yac vector a shuttle vector? What value in place of the question mark makes the polynomial below a perfect square trinomial x2 - 28x plus? What are the two numbers whose sum is 22 and whose difference is 52? How many centigrams are there in a milligram? Geometric mean of 128 and 8? What is the acceleration of a car traveling from 0 to 60 miles in 4 seconds? What unit is to mesure land? What is the effect of using 1 million current? How do you Simplify the square root of 162? Which is faster 50 meters in 10 seconds or 30 meters in 5 seconds? Which two square numberadd up to 90?