Nguyên tử của nguyên tố X có tổng số hạt là 52 và có số khối là 35.Tìm số hiệu nguyên tử của nguyên tố X

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

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?

Point q is equidistant from the sides of ∠tsr. find m∠rst.