Insert grouping symbols

2 times 9+7

4 1/2 minus 3 5/6 simplified

1 A square is a rectangle. always sometimes never 2 The diagonals of a rhombus are perpendicular. always sometimes never 3 The diagonals of a rectangle are equal. always sometimes never 4 The diagonals of a trapezoid are equal.

What is 0.46 as a decimal

Find the logarithmic form of 54 = 625

12.50+52n - (10m+60) If m=24 and n=4 what would the answer be

In a standard (xy) coordinate plane, what is the area of the circle x^2 + y^2 = 16

2/3 (x+12) + 2/3x=4 Solve the equation.

Find the area of a semicircle with a diameter of 12 inches. Round your answer to the nearest hundredth.

If the sum of the measures of interior angles of a regular convex polygon is 1620° how many sides does a polygon have find the measure of one interior angle and one exterior angle

Write the fraction or mixed number as a percent 13/20