Q4. Use Pascal's triangle to expand (3 + x)°.

4 IT Find | 2cis 5 (20). write standard notation for the answer. Round to the nearest tenth.

17. Perform the following operation: 6х — 18 2.x + 10 x + 6 x2 + 7x + 6

3 26. 4√125y Radical expressions

Evaluate (3x² + 32x + 77) Væ³+ 16x² + 77x + 98 dx. (Hint: the radicand tends to be u in these situations) Note: Round to the nearest thousandth.

1 Use a trig substitution to evaluate J Vex - 36x +37

10) The composite figure below is a combination of a square with side length x units and a rectangle with length 2x + 3 units and width x + 1 units. x X 2x + 3 x + 1 Create the expression that gives the value of the area of the composite figure in terms of x.

) It takes Debbie 12 hours to plant a garden if she works alone. It takes her daughter 8 hours to plant a garden alone. How long would it take them to plant the garden together? bar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Paragraph Arial 10pt A 2 I 血 x' X, 8 Te T " Q0員田 田田 田田田区 + (1) GWORDS POWER ED BY TIN

Calculate (-1+√3)120 using DeMoivre's formula. (show your work)

2.) Evaluate (3 - 4i)(2 + 5i) 10/60 + 20/-45