Which expression is equivalent to 7^3 ⋅ 7^−5? a.7^2 b.7^7 c.1 over 7 to the 2nd power d.1 over 7 to the 7th power

What are the sotions to the quadratic equation 9x^2=4

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.